Rolled Asphalt Roof Deck Walking Surface

If we can t add insulation on the top we insulate from underneath.

Rolled asphalt roof deck walking surface.

Rolled roofing is a product made of asphalt that is primarily used in roofing. A roof deck supports the roof elements but does not provide complete protection. The product is designed for use as a waterproofing membrane and is reinforced with a polyester mat which is coated with a polymer modified asphalt. Composite shingles are heavy and unwieldy.

Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o. However the roofing product is frequently re purposed as an anti slip surface. Gacodeck coatings provide an added measure of safety with slip resistant granules. Unlike shingles which apply one by one you can roll out a square of mineral surface rolled roof within minutes.

Rolled roofing goes down quickly. Prepare roof edges cant strips. Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8. Below is a walk on roof balcony from another 19th century new york building that was covered in interlocking copper shingles soldered together.

The coating becomes an integral part of the surface and provides the necessary protection against the elements. Typically applied with trowel brush or roller elastomeric membranes form a flexible waterproof covering over roof surfaces. Open cell closed cell vapor retarders air impermeable. After all a deck is pretty much an unvented roof that you walk on.

Rolled roofing is easy to transport. By incorporating the vinyl surface into the structure you re leaving much less room for water to find a way in. Because there are several types of rolled roofing be sure to use one that is compatible with a ramp application. It is all there.

Applying gacodeck adds the waterproofing layer to a roof deck. Rolled roofing by contrast comes in lighter 75 pound units and is tightly rolled up and sealed. Swathes of rolled roofing form a relatively flat smooth surface over a roof deck which is ideal for treatment with viscous membranes such as elastomeric coatings. How about a drive on roof surface.

When we insulate from underneath we follow the international residential code irc provisions for unvented roofs. Shown below is the painted canvas surface of a pre 1900 walk on roof balcony surface on the same building as illustrated above. Vinyl decking looks great on roof decks. This method means that you get waterproofing from end to end not just on the surface.