Roof Memrane Over Plywood

Can i install epdm membrane directly over an existing roof.

Roof memrane over plywood.

Membrane roofing is often used on commercial flat roofs. Just paint on liquid rubber and have a completely waterproofed roof no matter what it is made of. Took the opportunity to get rid of an unnecessary chimney and upgrade the skylights. The fully adhered membrane over the top surface of the upper layer of plywood directly under the roof shingles is for water control.

The use of reinforced membranes over a rigid substrate such as den deck high density wood fiber board and plywood provide excellent protect and both pecking and the dropping of clams to break them open. No the oils in pertroleum based products will cause epdm to swell and fail. Can epdm be bonded directly over asphalt tar shingles asphalt rolled roofing or felt paper. Liquid rubber can be applied to metal plywood concrete tiles and even asbestos.

Fix roof leaks easily. We also cover spray applied foam and liquid roofing options. Our waterproofing solutions are highly application specific. Energy efficient and available in a variety of colors that will add value to your home metal roofing is a wise choice for homeowners.

Liquid rubber will waterproof and seal pitched or flat roof gutters box gutters without the cost or inconvenience of roof replacement. Single ply roof membranes are one of the most popular flat roofing materials ideal for lightweight cost effective fast track construction projects. Additionally placing pavers over any of the epdm membrane thicknesses would also provide protect as would an irma roof system design. Install waterproof felt over the plywood to add protection against moisture.

They work well for a variety of projects with roofs of all shapes and sizes including exposed roofs green roofs cool roofs ballasted roofs and more from large scale commercial projects such as airports and factories to a private house rooftop. As with any roofing material ensuring that your pvc membrane is properly installed is a key determinant of the longevity and proper service of the roof. Many pvc roofing membranes that fail prematurely do so because of initial incorrect installation done by an unprofessional roofer rather than inherent flaws of the roof itself. The fully adhered membrane on the original roof deck boards is for air control not for water control.

Epdm should be bonded over 5 8 plywood 5 8 osb board or polyisocyanurate board with a fiberglass backing. This acceptable solution is limited to roof cladding systems listed in paragraph 3 2. Membrane roofing butyl epdm rubber membranes only installed over plywood substrate 8 0 roof claddings 8 1 general 8 1 2 limitations. From sub floor to roofing ardex have a range of rapid curing energy efficient membranes to stand the test of time and moisture.