How To Remove Sprayed On Foam From Outside Roof Coating

This is why roof coatings are designed for flat or low slope roofing systems less than 14.

How to remove sprayed on foam from outside roof coating.

How to maintain spray foam repairs and maintenance budgets have gotten out of control for many building owners in recent decades. Type of existing roof spray on roof coatings are applied as a liquid and dry naturally over 8 to 24 hours depending on the weather conditions. The usual application of spray foam is to repair and re invigorate an existing roof by removing the saturated areas replacing with like materials and then spraying foam over top of the entire roof. As manufacturers cut costs their systems become less reliable increasing the amount you have to spend on repairs.

The coating used on spf roof is an elastomeric coating that is like a thin rubberized paint. I found the coating for sale at pacific supply a builders supply company. Spray polyurethane foam roofing or spray foam roofing is a material that s sprayed as a liquid so it can expand into a foam creating a solid layer across an existing roof. Proper drainage prevents ponding water deck deflection and protects the roof from leaks and premature failures.

If you recoat your roof over exposed foam you risk trapping moisture into the foam which will cause gases to form and blisters will start to form and erupt ruining the whole roofing system. How to easily remove this stuff from a 17x25 flat roof. Diy is possible but can be quite messy. The cost of removing existing roofing materials can add to the cost of installing your spray foam roof though many contractors will add this in with their estimate and installation quote.

But here are some general indicators that your facility roof may be eligible for a spray on roof coating. Foam roofs should be recoated every 5 10 years depending on the quantity and quality of coating previously installed. Foam lok is spray applied to the roof s surface making it possible to vary the thickness of foam and ensure proper drainage. As repairs become more expensive a system that is inexpensive and easy to maintain becomes a.

It protects the foam surface from uv degradation and physical abrasion spf is waterproof but like any material it will gradually break down when exposed to sun and weather.