Waterproofing Roofing Plywood


  #1  
Old 01-02-05, 07:21 AM
BuzzBill
Visiting Guest
Posts: n/a
Question Waterproofing Roofing Plywood

Am building a 16' X 24' gambrel roof barn. All the trusses up and have started nailing the plywood for the roofing. Since it doesn't look like I will be able to get the shingles put on before bad weather sets in, I was thinking about applying water sealant (Thompson's) to the plywood. The idea is to provide some protection for the plywood until the weather breaks in March before I put on the shingles. How bad is this idea?

Thanks in advance for any suggestions.
 
  #2  
Old 01-02-05, 07:36 AM
majakdragon's Avatar
Member
Join Date: Jul 2003
Location: N.E. Arkansas
Posts: 7,475
Upvotes: 0
Received 1 Upvote on 1 Post
You could probably do that Have you thought of just putting on the roofing felt? You are most likely to be installing it anyways. If you staple it down well it should do what you want. Good luck.
 
  #3  
Old 01-02-05, 03:19 PM
dward
Visiting Guest
Posts: n/a
tarp it...
 
  #4  
Old 01-02-05, 09:53 PM
T
Member
Join Date: Aug 2000
Location: USA
Posts: 15,047
Upvotes: 0
Received 2 Upvotes on 2 Posts
Shingles can be installed in winter. The problem is tabs on asphalt shingles don't seal until temperatures reach the 50s. Cold shingles are more able to break free of tabs are not sealed. Shingles applied in hot weather often get too soft & when roofers walk on them they can be damaged. Most folks prefer fall or spring for installation.

You can find tips on this website for installing the roofing felt, drip edge, & eave flashing to protect the roof at http://doityourself.com/roofing/rffelt.htm
 
  #5  
Old 01-03-05, 06:02 AM
J
Member
Join Date: Jan 2004
Location: Park City, UT
Posts: 275
Upvotes: 0
Received 0 Upvotes on 0 Posts
The synthetic underlayments have long eposure times. Titanium UDL, TriFlex 30, etc. The rolls are 10 sqs each.
Jim
 
  #6  
Old 01-03-05, 06:39 PM
H
Banned. Rule And/Or Policy Violation
Join Date: Jul 2004
Posts: 412
Upvotes: 0
Received 0 Upvotes on 0 Posts
Paper and Shingles

Do the tar paper and shingles.

While synthetic membranes as jmorgan1 will work and work well, they are also 3-4 times as expensive as regular tar paper with shingles over that...
 
  #7  
Old 01-04-05, 04:49 AM
pgtek's Avatar
Member
Join Date: Oct 2004
Location: north Carolina
Posts: 1,348
Received 1 Upvote on 1 Post
hi used a 15 pound non perfored felt paper and shingle over

cheers
pg
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: