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Underlayment necessary?

06:04AM | 02/03/03

Member Since: 02/02/03
1 lifetime posts

Bvflooring

Underlayment necessary?

Tags: Flooring & Stairs

I'm putting 16" porcelain tile in my house. The floors are on 16" centers with 2x10 joists.

There are two layers of 5/8" plywood, glued and screwed. It all seems very stiff. Do I need an additional underlayment or will the plywood be sufficient?

Thanks!

09:00AM | 02/03/03

Member Since: 01/26/03
549 lifetime posts

the answer is you need backerboard.1/4"thick,i think hardibacker is best ,but they all work fine.

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