Applying 3/8 plywood on top of 3/4 wood planks??

the punisher · 05-12-2009, 10:12 AM

My subfloor is made of 3/4" wood planks from back in the days. I want to place 3/8" plywood on top for a more solid floor and less creaking. This will give me a 1 1/8" thickness. What size nails should i use to nail down the plywood if I want it to reach the joists?

Thanx..

Some areas will take screws while others will be nailed down, wanting to know both sizes.. Thanx

texas115115 · 05-12-2009, 10:18 AM

min 1.5. 2 inchs would be better. screws or nails

JazMan · 05-12-2009, 11:01 AM

What will you be installing in this room? What type, size, spacing are your joists? What is the unsupported span? Do you know the species and grade?. If you're going with tile, you need answers to all these questions.

Jaz

05-12-2009, 10:12 AM	#1
the punisher Member Join Date: May 2008 Posts: 43	Applying 3/8 plywood on top of 3/4 wood planks?? My subfloor is made of 3/4" wood planks from back in the days. I want to place 3/8" plywood on top for a more solid floor and less creaking. This will give me a 1 1/8" thickness. What size nails should i use to nail down the plywood if I want it to reach the joists? Thanx.. Some areas will take screws while others will be nailed down, wanting to know both sizes.. Thanx

05-12-2009, 10:18 AM	#2
texas115115 Member Join Date: May 2009 Posts: 90	Applying 3/8 plywood on top of 3/4 wood planks?? min 1.5. 2 inchs would be better. screws or nails

05-12-2009, 11:01 AM	#3
JazMan Tileguy Join Date: Feb 2007 Location: Troy, Michigan Posts: 3,287	Applying 3/8 plywood on top of 3/4 wood planks?? What will you be installing in this room? What type, size, spacing are your joists? What is the unsupported span? Do you know the species and grade?. If you're going with tile, you need answers to all these questions. Jaz __________________ Tile 4 You LLC Troy, MI KERDI Shower Specialist ... DITRA Installs ... Product-Method suitability consultation. I have NEVER made a mistake, I thought I did once...........but I was wrong! - PRODUCTS ADVERTISED WITHIN MY POST ARE NOT ENDORSED BY ME!

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Applying 3/8 plywood on top of 3/4 wood planks??