Shingle SealTM


Shingle Seal™ is an application ready, water-based fire retardant designed for treatment of wood roofing and/or siding shingles. Shingle Seal™ is mix of proprietary ingredients, which forms a slight intumescent foam layer and carbon char when the treated shingle or shake is exposed to fire. Once the carbon char is formed there will be minimal flame propagation, smoke evolution or afterglow. The product is designed for exterior use. Under simulated test conditions of 200 inches of rain, Shingle Seal passed ASTM E-108 test series on Cedar Roof Shingles.

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Shingle Seal™ Documents

Data Sheet


Testing Matrix

Product Test Method Classification Coverage
Shingle Seal™ ASTM E-108 C 120 to 200 ft2
200 inches of rain

Application Instructions

Shingle Seal™ can be applied via spray, brush on roofing or siding. The product must penetrate the wood and be allowed to thoroughly dry to be effective. The coverage rate is 120 to 200 sq./ft. per gallon. Cedar shingles or shakes that are properly treated with this product will meet Class C requirements. Excess product should be removed before drying. It is recommended that a small sample of the Shingle be tested for uptake and penetration prior to application. Allow for simple airdrying after application. This product may be used on most types of roofing or siding wood as long as penetration occurs. Re-treatment is necessary after 5 years or 200 inches of rain.




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