Fire Rated Roof Underlayment

1 4 spans flute widths up to 2 5 8.

Fire rated roof underlayment.

However in some jurisdictions roof assemblies are also required to be fire resistant. Fr 10 fire resistant slipsheets enhance the overall fire performance of many conventional commercial roof systems including metal roofs. Versashield fire resistant roof deck protection provides the very best fire protection. In some jurisdictions roof assemblies are required to be fire resistant.

Versashield fire resistant roof deck protection helps to provide the best protection against fire spread and penetration by upgrading the ul fire classification of almost any type of roof. Versashield fire resistant roof deck protection is a key part of the gaf lifetime roofing system 1 and has earned the good housekeeping seal. Fr 10 is a coated glass fiber mat specifically designed for installation over wood decks or certain combustible insulation. Polyglass creates self adhered fire resistant roof underlayment the polystick xfr provides water and fire proofing for high temperature applications including metal roofing.

It also can t protect against any water that flows upward toward the top of your roof like ice and water dams or heavy rain and wind storms. Shop the lifetime roofing system here. R values 28 tested in accordance with astm c518 spannings. Providing a skid resistant surface nail resealability high temperature resistance corrosion protection weatherproofing during installation and more clad gard is a smart way to protect your metal roofing investment.

Synthetic underlayment like an ice and water shield is quite a bit lighter rolls out in large rolls and is made of polypropylene fiberglass polyethylene and. Firestone clad gard underlayment s provide an ideal moisture barrier between the roof deck and the adjacent metal system. However contractors now recognize the benefits of synthetic underlayment for metal roofing particularly when it comes to its tolerance to heat and ultraviolet uv radiation. 1 4 dens deck roof board.

Traditionally metal roofs have used standard 30 pound felt paper underlayment. For roof slopes of four units vertical in 12 units horizontal 33 percent slope or greater underlayment shall be a minimum of one layer of underlayment felt applied shingle fashion parallel to and starting from the eaves and lapped 2 inches 51 mm fastened only as necessary to hold in place. I have a few questions about standing seam metal roof assemblies.