Durable Resins, Reliable Roofing & Flashing Solutions

Siplast's premium liquid-applied PMMA-based Parapro and Terapro Systems provide our highest level of waterproofing and concrete protection for roofing, vegetated roof, parking decks and ramps, pedestrian walkways, balconies, and vehicular traffic applications. The science of PMMA provides exceptional performance advantages and faster cure times than non-PMMA based liquid systems.

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Learn more about PMMA Waterproofing

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A technical drawing showing a cross-section of a Siplast roof system and a pipe penetration, with a layer of "Inverted Parasolo TPX Fleece-Back" on top.

Detail drawing library

Looking for more in-depth information about the assembly process? This video provides a comprehensive overview, but for precise measurements, material specifications, and intricate connections, please consult the Detail Drawings Library. You'll find all the critical data needed to ensure a compatible assembly.

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Brochures

Parapro Flashing & Roof Membrane Systems Overview

Parapro resins are each formulated to meet the demands of specific applications, from flashing and roofing to vegetated roof waterproofing.
View Parapro brochure
Terapro Waterproofing & Surfacing Systems Overview

Siplast offers a variety of Terapro formulations and surfacing options to enable you to select the Terapro System that perfectly matches your requirements.
View Terapro brochure
Paracoat Roof Coating Overview

Siplast Paracoat brings the high performance advantages of PMMA to a roof coating designed to protect smooth and granule-surfaced roof systems.
View Paracoat brochure

Siplast Terapro Concrete Protection & Surfacing Systems

Fast cure time

Can be applied and trafficked within an 8-hour day¹ vs. polyurethane and polyester systems which can require a cure time of up to 3 days.
Skid resistance

Tested in accordance with ASTM E303 to provide skid resistance.
Durability

Offers resistance to UV and ordinary weather conditions
Application flexiblity

Can be applied in temperatures as low as 23°F, and not highly sensitive to atmospheric humidity during application

Siplast Terapro PMMA Solutions

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Terapro Base Resin

A multi-component, fast curing, flexible PMMA resin for use in conjunction with reinforcement to create a waterproofing membrane. Terapro Base Resin, when catalyzed, is combined with Pro Fleece to form the reinforced layer of Terapro and Terapro VTS Systems.

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Terapro Flashing Resin

A multi-component, fast curing, flexible PMMA resin for use in conjunction with Terapro Flashing Systems. Terapro Flashing Resin, when catalyzed, is combined with Pro Fleece to form a monolithic, reinforced flashing system for use in conjunction with Terapro and Terapro VTS Waterproofing Systems.

View Terapro Flashing Resin

Terapro 220

A liquid-applied, layered application consisting of one coat of primer, waterproofing/wearing layers, a hard-wearing surfacing, and a finish layer. Reinforced systems for use over occupied/conditioned interior spaces include a polyester fleece fabric for additional protection. Each layer of the system consists of a catalyzed PMMA resin. The completed high-mil thickness application is resilient, monolithic, seamless, durable, and provides protection against UV exposure, ordinary foot traffic, mechanical abuse, and many environmental contaminants³.

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Terapro 250

A liquid-applied, layered application consists of one coat of primer, a filled waterproofing layer, a hard-wearing quartz surfacing, and a durable pigmented finish layer. Reinforced systems for use over occupied interior spaces include a polyester fleece fabric for additional protection. Each layer of the system consisting of a catalyzed PMMA resin.

View Terapro 250

Finishing and surfacing options for Terapro systems

Finishes & Surfacing Options

Siplast Terapro Systems can be surfaced with hardwearing Pro Natural Quartz and Pro Color Finish for high traffic conditions or Pro Color Finish and Pro Texture Beads for lighter duty applications. Both surfacing options offer a solid color, clean appearance.

To request a physical sample, please contact your Siplast Representative.

view finishes and surface options

¹Ambient and substrate temperatures affect the application of Terapro 220/250. Refer to Terapro 220 and Terapro 250 Traffic Surfacing System Installation Guide for ambient and substrate temperature guidelines and restrictions.

³Siplast warranties and guarantees do not provide coverage against traffic, physical damage/impact/abuse or exposure to chemicals and other environmental contaminants. Refer to siplast.com for more information on warranty and guarantee coverage and restrictions.