Top Reasons to Use Coverboard

Commercial TPO Flat Roofing - EPDM Roofing - CMAC Roofing (1)

You’ll remember my “Top 10” theme if you’ve tuned into late night TV (and been around the block a few times),. There is no clear order in this case as we count the reasons why you would be remiss not to use the coverboard to secure the costly individuals and equipment under that roof.
Coverboard board:


10.) Provides the membrane with a smooth, flat surface,

In a roofing system, this main feature provides a watertight cover to protect the interior of a house. A secure substrate for the membrane to adhere to is supported by Coverboard. A flat, smooth surface prevents leaks and helps to avoid potential damage.

9.) Prevents insulation from foot traffic and appliances

The traffic of foot and machinery results in physical violence, during installation and after construction. Coupled with several hundreds of pounds of people and equipment, insulation must be able to withstand environmental conditions. Coverboard battles worsening causes, such as crews walking atop and storing instruments on the roof.

8.) Improves fire ratings

The insulation material may be combustible, and if a fire ignites, the coverboard provides an additional layer of resistance. It may also help stop the spread of fire to an adjacent house.

7.) Helps prevent hot asphalt installations from bubbling/blistering

Do you remember Andy, Red and the gang on Shawshank Redemption tarring the roof?

A moisture barrier between the insulation and the membrane is provided by the coverboard. A porous coverboard enables moisture to dissipate through the coverboard (transformed into steam by the heat of asphalt), minimizing vapors that cause blistering.

6.) Improves thermal efficiency

Thermal isolation in roofing systems influences the overall thermal efficiency of a building envelope.

As the R-value of roofing insulation continues to become more stringent, inserting the correct coverboard into the assembly with the best fastener pattern helps to improve its thermal efficiency significantly, offering long-term savings.

5.) Helps to protect against damage from storms and hail

Around two-thirds of the U.S. experience hailstones of 1 inch or greater, and hail can damage or penetrate the cover and insulation of the roof.

The membrane and insulation damage can be reduced by the coverboard. Insulation damage can decrease the thermal resistance of a roof (R-value) and increase the flow of heat through it.

The use of a coverboard helps to minimize the risk of this occurring and in turn, to reduce the energy cost of the house.

4.) Prevents possible delamination of polyisocyanurate insulation facer

The risk of facer delamination is present for all low slope roofs (along with cupping, powdering, edge cavitation and shrinkage).

To stop this, use a coverboard to eliminate the headache.

3.) Raises scores for wind uplift

Speak about real safety against big weather problems.

And the multinational insurance firm Factory Mutual admits that the potential of a building to ride out a storm is highly advantageous by including a coverboard. In order to increase the wind uplift benefit of a roof assembly, Coverboard offers a high-performance security layer (as long as one adheres to fastener spacing recommendations).

2.) The National Roof Contractors Association (NRCA) has recommended coverboard use since 2000.

And two decades ago, it was.

If you don’t have a coverboard already the question you might ask yourself is Why not? ’

1.) The NRCA and the Midwest Roof Contractors Association (MRCA) have both advocated the use of non-combustible coverboards since 2006.

The endorsement now dates back 14 years.

These organizations are trustworthy, so why not stick to their dual recommendation? I’m just scratching the surface here of course, but I think these arguments make a good argument for coverboard use. Coverboard is a vital component for any roof to prolong its life.

It avoids possible harm or minimizes it. Moreover, there are many device solutions to satisfy a broad variety of applications.

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