ROOFING GUIDE SPECIFICATION PREPARED BY SIPLAST, INC.

PARADIENE 20/30 ROOF MEMBRANE SYSTEM

RIGID INSULATION – CONCRETE DECK

This specification is provided as a general guide for use of Siplast, Inc. products based on typical building conditions and standard roofing practices. This guide specification is not a substitute for professional design services. The information in this guide specification must be reviewed/approved by a design professional and modified as necessary and appropriate for each project. Each project has unique requirements and Siplast, Inc. recommends that the Owner's representative independently verify the accuracy and appropriateness of the specification provided for a particular project. Each selection or deletion made to this guide specification should be carefully considered. Users of this guide specification assume sole responsibility for its use.

January 1, 2024

SECTION 07 52 16 – STYRENE BUTADIENE STYRENE MODIFIED BITUMINOUS MEMBRANE ROOFING

PART 1 - GENERAL

RELATED DOCUMENTS

The project plans, details and general Contract requirements apply to this Section.

SUMMARY

Items Included:

Vapor retarder.

Roof insulation.

Cover panel.

SBS modified bituminous membrane roofing.

Walktread.

Related Sections:

[Section 06 10 00 "Rough Carpentry"] [Section 061053 "Miscellaneous Rough Carpentry"] for wood nailers, curbs, and blocking, and for wood-based, structural-use roof deck panels.

Section 06 16 00 "Sheathing" for wood-based, structural-use roof deck panels.

Section 07 62 00 "Sheet Metal Flashing and Trim" for sop and field formed metal roof flashings and counter flashings.

Section 07 71 00 "Roof Specialties" for premanufactured metal copings, roof edge fascia, gravel stops, reglets, roof edge flashings, and counter flashings.

Section 07 92 00 "Joint Sealants" for joint sealants, joint fillers, and joint preparation.

REFERENCES

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT STANDARD REFERENCES.

PREINSTALLATION MEETINGS

Pre-installation Roofing Conference at Jobsite: Hold a meeting with the Owner, Construction Manager, Architect, Roofing Contractor, Roofing Manufacturer's Representative, and other applicable trades to discuss the means and methods related to roofing installation. The Roofing Contractor shall examine the substrate that will receive the specified roofing materials and confirm its suitability for attachment of the specified roofing system.

SUBMITTAL OF ALTERNATE SYSTEMS

Consideration of Alternate Systems: Submit primary roof systems to be considered as equals to the specified roof system no less than 10 days prior to bid date. Primary roof systems which have been reviewed and accepted as equals to the specified roof system will be listed in an addendum prior to bid date; only then will equals be accepted at bidding. Submittals shall include the following:

Identify fire and hail ratings in Items 6 and 8 below.

Two 3 inch x 5 inch samples of the primary roofing and flashing sheets.

Latest edition of the roofing system manufacturer's specifications and installation instructions.

Evidence that the manufacturer of the proposed roofing system utilizes a quality management system that is ISO 9001 certified. Documentation of ISO 9001 certification of foreign subsidiaries without domestic certification will not be accepted.

Evidence and description of manufacturer's quality control/quality assurance program for the primary roofing products supplied. The quality assurance program description shall include all methods of testing for physical and mechanical property values. Provide confirmation of manufacturer's certificate of analysis for reporting the tested values of the actual material being supplied for the project prior to issuance of the specified guarantee.

Descriptive list of the materials proposed for use.

Evidence of Underwriters' Laboratories Class [-----] acceptance of the proposed roofing system (including mopping asphalt or cold adhesive) without additional requirements for gravel or coatings.

Evidence that the roof configuration (including fastening of insulation) has been tested by an accredited independent testing agency to meet the design wind load pressure indicated in Part 1.07 C2.

The roof membrane configuration shall be approved by FM Global for [Class 1-SH (severe hail) exposure] [Class 1-VSH (very severe hail) exposure].

Letter from the proposed primary roofing manufacturer confirming that a phased roof application, with only the modified bitumen base ply in place for a period of up to 10 weeks, is acceptable and approved for this project.

List of 3 of the proposed primary roofing manufacturer's projects, located in the United States, of equal size and degree of difficulty which have been performing successfully for a period of at least 10 years.

Letter from the proposed primary roofing manufacturer confirming that the filler content in the elastomeric blend of the proposed roof membrane and flashing components does not exceed 35% in weight.

Complete list of material physical and mechanical properties for each sheet including: weights and thicknesses; low temperature flexibility; peak load; ultimate elongation; dimensional stability; compound stability; high temperature stability; granule embedment and resistance to thermal shock for foil faced products.

Evidence that the roof system shall pass 500 cycles of ASTM D5849 Resistance to Cyclic Joint Displacement (fatigue) at 14F (-10C). Passing results shall show no signs of membrane cracking or interply delamination after 500 cycles. The roof system shall pass 200 cycles of ASTM D5849 after heat conditioning performed in accordance with ASTM D5147.

Sample copy of the proposed guarantee.

Technical Product Data: Submit the manufacturer’s technical product data sheets for each type of product.

Shop Drawings: Include plans, sections, and shop drawings/details for all applicable conditions.

Product Samples: Submit product samples of the specified base, finish, flashing reinforcing, and flashing membrane plies.

INFORMATIONAL SUBMITTALS

Qualification Data:

Installer: Submit written confirmation that they have a minimum of 2 years of experience in successfully installing the same or similar roofing materials and be certified in writing by the roofing materials manufacturer to install the primary roofing products.

Manufacturer: Submit written confirmation that the manufacturer of the primary roofing products has been successfully producing the specified types of primary products for not less than 10 years with a consistent composition for a minimum of 5 years.

System Qualification:

Intent to Warrant Letter: Submit a signed letter on the roof membrane manufacturer’s letterhead, confirming that specified roofing system complies with the guarantee requirements indicated in Part 1.11 and the criteria indicated in Part 2.2 Roof Membrane Sheet Materials.

Cyclic Fatigue: Submit confirmation that the proposed roof system will pass 500 cycles of ASTM D5849 Resistance to Cyclic Joint Displacement (fatigue) at 14˚F (-10˚C), and 200 cycles after heat conditioning (performed in accordance with ASTM D5147), showing no signs of membrane cracking or interply delamination.

Sample Guarantee: Submit a sample copy of the manufacturer’s proposed Guarantee.

CLOSEOUT SUBMITTALS

Maintenance Data: Submit the manufacturer’s care and maintenance guide.

Executed Guarantee: Provide the Owner with an executed version of the specified guarantee.

QUALITY ASSURANCE

Fire Rating: Submit evidence of exterior fire-test exposure by an approved third-party testing agency in accordance with ASTM E108 or UL 790 guidelines.

Indicate Class A, B, or C for the fire rating where the brackets appear in item 1 below.

Class [----]

Hail Rating: Submit evidence by FM Global that the roof configuration has been tested to meet the following specified hail resistance design.

Select item “1” for systems requiring a severe hail (SH) rating, or item “2” for systems requiring a very severe hail rating (VSH).

Class 1-SH (severe hail) exposure.

Class 1-VSH (very severe hail) exposure.

Wind Uplift Rating: Submit evidence by an approved third-party testing agency that the roof configuration has been tested to meet the following specified wind uplift design.

Select item “1” for FM Global rated systems, or item “2” if using a different code approval agency or independent laboratory testing. Indicate the wind uplift design criteria where the brackets appear.

Class 1, 1-[----] windstorm construction.

Minimum design wind load pressure of - [----] psf.

DELIVERY, STORAGE, AND HANDLING

Delivery: Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components.

Storage: Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing manufacturer.

Protect stored liquid material from direct sunlight, heat, open fire, ignition sources, oxidizing agents, strong acids, and strong alkalis.

Discard and legally dispose of liquid material that cannot be applied within its stated shelf life.

Protection: Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Comply with the insulation manufacturer's written instructions for handling, storing, and protecting materials during installation.

Handling: Handle and place roofing materials and equipment in a manner to avoid permanent deflection of deck.

FIELD CONDITIONS

Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing to be installed in accordance with manufacturer's written instructions and warranty requirements.

Membrane Protection: Provide protection against staining and mechanical damage for newly applied roofing and adjacent surfaces throughout this project.

Debris Removal: Remove all debris daily from the project site and take to a legal dumping area authorized to receive such materials.

Site Condition: Complete, to the owner's satisfaction, all job site clean-up including building interior, exterior and landscaping where affected by the construction.

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT TORCH SAFTEY GUIDELINES.

GUARANTEE

Manufacturer’s Guarantee: Provides that the Manufacturer will repair leaks through the covered roofing materials due to material or workmanship defects, subject to certain exclusions, during the specified time period. Refer to guarantee for complete coverage and restrictions.

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT GUARANTEE COVERAGE.

[NOTE: “Membrane” coverage includes only the roof membrane and flashing system.

“Membrane and Insulation” coverage includes the roof membrane, flashing system, insulation components and accessories supplied by Siplast, Inc. and is required for guarantee periods of 25 and 30 years when applying the roof membrane over insulation.]

Special Project Warranty: Submit roofing contractor’s warranty signed by the Installer, including all components of the roofing and insulation system for the following warranty period:

Warranty Period: [---] years from date of Substantial Completion.

PART 2 - PRODUCTS

MANUFACTURERS

A.	Manufacturer: A roof system by the following manufacturer is approved for application.

Siplast, Inc.

ROOFING MEMBRANE SHEET MATERIALS

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT BASE PLY.

(NOTE: Pro Base series base plies are required to be used exclusively with Paradiene 30 SA and Parafor SA series finish plies. Select a Paradiene 20 series base ply for all other finish ply options.)

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT FINISH PLY.

BASE FLASHING SHEET MATERIALS

Flashing Reinforcing Ply and Cant Backer: An ASTM D6163, Type I, Grade S homogenous membrane with a glass-fiber reinforcing mat impregnated/saturated and coated each side with SBS modified bitumen blend with a factory applied polymer modified asphalt self-adhesive on the back surface of the sheet to provide full adhesion to the total surface area of the substrate. The back side of the base ply shall be surfaced with a removable film.

Paradiene 20 SA by Siplast, Inc.

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT FLASHING PLY.

Liquid Flashing System: The specified liquid flashing system shall consist of a catalyzed PMMA-based membrane fully reinforced with a non-woven polyester fleece that is installed over a prepared substrate.

Parapro 123 Flashing by Siplast, Inc.

Liquid Flashing System: The specified liquid flashing system shall consist of an STP-based membrane fully reinforced with a non-woven polyester fleece that is installed over a prepared substrate.

Paraflex 531 Liquid Flashing by Siplast, Inc.

PRIMERS

Asphalt Primer: Primer shall meet ASTM D41 criteria.

PA-1125 Asphalt Primer by Siplast, Inc.

Low VOC Asphalt Primer: Primer shall meet ASTM D41 criteria and South Coast Air Quality District and Ozone Transport Commission requirements.

PA-917 Primer by Siplast, Inc.

Primer for Self-Adhesive Membranes: Primer for self-adhesive membranes shall be a single component, water-based resinous primer formulated to condition masonry, wood, plywood, concrete, asphaltic, and gypsum surfaces to facilitate adhesion of self-adhesive membranes.

TA-119 Primer by Siplast, Inc.

AUXILIARY ROOFING MATERIALS

Delete auxiliary roofing materials listed below, as necessary, to meet individual project requirements.

Roofing Asphalt: ASTM D312, Type [III or IV].

Cold-Applied Asphalt Adhesive: An asphalt, solvent blend conforming to ASTM D4479, Type II requirements.

PA-311 R Adhesive by Siplast, Inc.

Membrane Adhesive: A single-component, moisture curing, low-odor adhesive designed for application of the specified roof membrane system.

SFT Adhesive by Siplast, Inc.

Delete auxiliary roofing materials listed below, as necessary, to meet individual project requirements.

Asphalt Roofing Cement: An asphalt cutback mastic, reinforced with non-asbestos fibers, used as a base for setting metal flanges conforming to ASTM D4586 Type II requirements.

1.	PA-1021 Plastic Cement by Siplast, Inc.

Flashing Cement: A slump resistant, asphalt cutback flashing adhesive, reinforced with non-asbestos fibers, conforming to ASTM D4586 Type II requirements.

1.	PA-828 Flashing Cement by Siplast, Inc.

Flashing Cement: A single-component, moisture curing, low-odor adhesive formulated in a grade for application of flashing materials.

1.	SFT Cement by Siplast, Inc.

Sealant: A moisture-curing, self-leveling elastomeric sealant designed for roofing applications.

1.	PS-209 Elastomeric Sealant

Sealant: A moisture-curing, non-slumping elastomeric sealant designed for roofing applications.

PS-715 NS Elastomeric Sealant

Ceramic Granules: No. 11 grade specification ceramic granules of color scheme matching the granule surfacing of the finish ply.

TEMPORARY ROOF/VAPOR RETARDER

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT A TEMPORARY ROOF/VAPOR RETARDER.

ROOF INSULATION

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT A ROOF INSULATION SYSTEM.

INSULATION COVER PANEL

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT A COVER PANEL.

INSULATION ACCESSORIES

Keep the item below if specifying insulation adhesive. Delete items 1 through 5 as necessary to meet the project requirements.

Insulation Adhesive: single or dual component low-rise polyurethane foam adhesive designed specifically for the adhesion of roof insulation to substrate, as well as subsequent layers of insulation. Acceptable manufacturers are as follows:

Para-Stik by Siplast, Inc.

Parafast Insulation Adhesive by Siplast, Inc.

Insta Stik Quik Set Commercial Roofing Adhesive by DuPont, Inc.

OlyBond500 Insulation Adhesive by OMG, Inc.

Millennium One-Step Insulation Adhesive by H. B. Fuller

Insulation Cant Strips: A cant strip composed of expanded volcanic minerals combined with waterproofing binders, meeting ASTM C728 criteria. The top surface shall be pre-treated with an asphalt based coating. The face of the cant shall have a nominal 4 inch dimension.

Tapered Edge Strips: A tapered panel composed of expanded volcanic minerals combined with waterproofing binders. The top surface shall be pre-treated with an asphalt based coating. The panels shall have a dimension sufficient to provide for a smooth transition and provide proper support for the membrane layer or subsequent layer of insulation when there are transitions of 1/4 inch or greater.

WALKWAYS

Walktread: A granule-surfaced polymer modified bitumen sheet material reinforced with a prefabricated, puncture resistant polyester core, having a thickness of 0.217 in (5.5 mm) and a width of 30 inches (76.2 cm).

Paratread by Siplast, Inc.

PART 3 - EXECUTION

EXAMINATION

Substrate Qualification: The installing contractor shall examine all substrates where the specified roofing and flashing system will be applied and confirm their suitability to receive the specified roofing materials.

PREPARATION

Sweep or vacuum all surfaces, removing all loose aggregate and foreign substances prior to commencement of roofing.

Keep item B if specifying a tear-off, partial tear-off, or re-cover. Delete numbered conditions, as necessary to match project conditions.

Remove all of the following existing conditions:

Surface gravel

Roof membrane

Insulation

Base flashings

Edge metal

Flanged metal flashings

Cants

Walkways

Nonfunctional penetrations/curbs

Drain assemblies

Vapor retarder

Metal trim, counter flashing

Primer for Self-Adhesive Flashing Reinforcing Ply: Apply the specified tacky primer by roller or spray in an even film. Refer to the manufacturer’s literature for the approved rate of application over various substrate types. Allow the primer to dry until it leaves a slightly sticky surface without transfer when touched. Cutting or alteration of the primer is not permitted.

Asphaltic Primer: Prime metal and concrete and masonry surfaces with a uniform coating of the specified asphalt primer according to the manufacturer’s published application rate. Cutting or alteration of the primer is not permitted.

INSTALLATION OF ROOFING, GENERAL GUIDLEINES

Keep items A and B, as appropriate, for cold adhesive and/or hot asphalt application.

Asphalt Heating and Application: Do not heat asphalt to or above its flash point. Avoid heating at or above the FBT, should conditions make this impractical, heating must be no more than 25ºF below the EVT and no more than 25ºF above EVT. Follow the asphalt manufacturer’s published maximum heating temperature and minimum application temperature guidelines. Ensure that all moppings do not exceed a maximum of 25 lb/sq. Mopping shall be total in coverage, leaving no breaks or voids.

Adhesive Application: Apply membrane cold adhesive by roller, squeegee or spray unit in a smooth, even, continuous layer without breaks or voids. Utilize an application rate for each ply as published by the roof membrane manufacturer. Double the adhesive application rate at the end laps of granule surfaced sheets. Where solvent-based adhesive is applied, refer to the manufacturer’s inter-ply flashing detail at the locations that are to receive the specified catalyzed acrylic resin primer/flashing system. Cutting or alteration of the adhesive is not permitted.

General Appearance: Ensure that the finished roofing application has an aesthetically pleasing overall appearance and is acceptable to the Owner.

INSTALLATION OF TEMPORARY ROOF/VAPOR RETARDER

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT TEMPORARY ROOF/VAPOR RETARDER APPLICATION METHOD.

INSTALLATION OF INSULATION AND COVERBOARD

Install insulation panels with end joints offset with edges in moderate contact in accordance with the insulation manufacturer's requirements. Where insulation is installed in two or more layers, stagger joints between layers. Maintain a maximum panel size of 4 feet by 4 feet for polyisocyanurate / fiberboard insulation applied in insulation adhesive or hot asphalt. Install only as much insulation as can be made watertight within the same work day.

Crickets: Construct crickets of tapered insulation panels in a layout as indicated on the roof plan.

Tapered Edge at Transitions: Field-cut, shape and install tapered edge strip at transitions of 1/4 inch or greater between substrate components to provide a smooth transition and proper support for the subsequent insulation layer or membrane/flashing system components.

APPLICATION OF BITUMINOUS ROOFING MEMBRANE

Select parallel or perpendicular sheet orientation in Item A below. Select application method for membrane plies below.

Apply all layers of roofing with side laps running [parallel/perpendicular] to the direction of the slope. Exert sufficient pressure on the roll during application to ensure prevention of air pockets, wrinkles, creases or fishmouths. Refer to the manufacturer’s guidelines for maximum sheet lengths and special fastening of the head laps where the roof deck slope exceeds 1/2 inch per foot.

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT BASE PLY APPLICATION METHODS TO MEET THE SPECIFIED REQUIREMENTS.

HOVER CURSOR HERE AND RIGHT CLICK TO SELECT FINISH PLY APPLICATION METHODS TO MEET THE SPECIFIED REQUIREMENTS.

APPLICATION OF FLASHING AND STRIPPING

Modified Bitumen Flashing System: Apply the specified base flashing materials in accordance with the manufacturer’s standard details. Notify the design team immediately of any flashing heights below 8 inches. For torch applied base flashings, apply a 12-inch self-adhesive cant backing sheet extending 6 inches onto the field of the roof area and a minimum of 6 inches up the vertical surface utilizing minimum 3 inch laps. Set the non-combustible cant into place dry prior to installation of the roof membrane base ply and subsequent flashing system. Flash walls and curbs using the reinforcing sheet and flashing membrane. Exert pressure using a neoprene roller on the flashing sheet during application to ensure complete contact with the vertical/horizontal surfaces, preventing air pockets. Check and seal all loose laps and edges. Nail the top edge of the flashing on 9 inch centers. (See the manufacturer's schematic for visual interpretation).

Liquid Flashing System: Install the specified liquid-applied flashing system in accordance with the membrane system manufacturer’s printed installer’s guidelines and other applicable written recommendations as provided by the manufacturer.

APPLICATION OF SEALANT

Apply a smooth continuous bead of the specified sealant at the exposed finish ply edge transition to metal flashings incorporated into the roof system.

APPLICATION OF WALKTREAD

Cut the specified walktread into maximum 5 foot lengths and allow to relax until flat. Adhere the sheet using the specified plastic cement. Apply the specified cement in a 3/8 inch thickness to the back of the product in 5 inch by 5 inch spots in accordance with the pattern as supplied by the walktread manufacturer. Walk-in each sheet after application to ensure proper adhesion. Use a minimum spacing of 2 inches between sheets to allow for proper drainage.

FIELD QUALITY CONTROL

Notify the manufacturer of job completion in order to schedule a final inspection date. Hold a meeting at the completion of the project, attended by all parties that were present at the pre-job conference. A punch list of items required for completion shall be compiled by the manufacturer's representative. Complete, sign, and send the punch list form to the manufacturer's headquarters.

Leave all areas around job site free of debris, roofing materials, equipment and related items after completion of job.

Complete all post installation procedures and meet the manufacturer's requirements for issuance of the specified guarantee.

END OF SECTION 07 52 16