House Wrap Installing siding

Published on June 16th, 2013 | by Henri


Installing vinyl siding over brick

Q.    I am installing vinyl siding over brick with 1″x3” furring strips 16″ on center with 1″ thick insulation in between. Any suggestions you can offer would be appreciated. Should Tyvek go over the insulation?

A.    I assume the only reason you want to cover bricks with vinyl siding is because the house has no wall insulation. Otherwise, I wonder why you are doing it. Bricks are so maintenance-free whereas vinyl can be damaged if hit when cold, etc.

One inch by three inch furring strips are only 5/8ths or 3/4-inch thick, so you will need to use 3/4-inch rigid insulation between them.

Yes, use a housewrap over the insulation to protect the assembly from water that will get behind the siding. The rigid insulation will not be affected, but the furring strips may eventually degrade if they stay wet too long.

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