Always follow any cool weather application instructions for the product or system you are installing when the temperature is below 45 f 7 2 c as special care.
Installing epdm roofing in cold weather.
It also performs well in extreme temperatures.
Epdm will stretch without tearing and holds up well to the rigors of installation.
Here are some helpful tips.
After about 5 7 years you will have to reseam your roof by installing a 6 12 inch wide epdm cover tape over the old seams to make sure they don t leak for the next few years.
Epdm rubber membrane roofing materials are even more temperature sensitive than asphalt composition shingles.
By following proper procedures cold weather applications can progress more efficiently and effectively resulting in higher quality roof installations.
Allow extra time for the sheet to relax during colder weather.
Epdm membranes are available in several thicknesses with or without polyester scrim reinforcement and can be installed in ballasted mechanically fastened or adhered applications.
However during winter installations both of these rules are frequently ignored by roofers causing premature roof failures.
If using water based adhesive the technique involves spreading adhesive onto the roof using a paint roller in sections of three or four feet across the leading edge.
This is how to install epdm roofing correctly.
Fullforce epdm and tpo sa may be installed when ambient and substrate temperatures exceed 20 f 7 c.
When should i install a rubber roof.
During periods of cold weather these folded sheets are more difficult to relax and install.
Always check the temperature first before going ahead with the application of the epdm rubber.
To make sure you get the best results you should look to install your rubber roof on a dry day that isn t too cold.
Make sure that the surface is clear from any debris and that it isn t wet or damp too.
Epdm epdm membrane is available in large sheet sizes that are folded.
Store fullforce epdm and tpo sa in a clean dry location and keep dry prior to installation.
Mule hide recommends the use of smaller non folded sheets for installation during cold weather.
Remember to observe cold weather guidelines whenever primers are required for application.
Start with the edge facing the wall and work towards the roof s edge.
This update will cost you about 10 15 linear foot so if you have a few hundred feet of seams the total cost will be several thousand dollars making it a very expensive maintenance program.
If shingles are applied below 40 without the specialized adhesive you risk a voided warranty.
If winter installation is unavoidable most asphalt shingle manufacturers require a specialized adhesive manually applied to each shingle for temperatures below 40 f 4 celsius.