Search: Posts Made By: calvert
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03-19-17, 05:05 PM
Replies: 6
Views: 1,399
Posted By calvert

The key to hanging over foam, or any surface for...

The key to hanging over foam, or any surface for that matter, is to make sure you have the board held tight to the substrate before driving the screw. Screws that are used to pull the board will...
03-19-17, 04:55 AM
Replies: 6
Views: 1,399
Posted By calvert

You might check out a metal framing product known...

You might check out a metal framing product known as "Z" furring. It is used in commercial applications where a foam insulation is attached to a (usually) masonry substrate and does double duty of...
03-15-17, 06:22 PM
Replies: 12
Views: 821
Posted By calvert

Hawkdriver, As Bud mentioned in his...

Hawkdriver,

As Bud mentioned in his response, it can be problematic to add too much of an air permeable insulation in front of the foam as the result could be to create a condensing surface on the...
03-15-17, 05:54 PM
Replies: 3
Views: 627
Posted By calvert

What about a combination of some planing/sanding...

What about a combination of some planing/sanding and some epoxy resin mixed with a filler to level up the cupping. There are a number of epoxy manufacturers that supply these materials such as "West...
03-15-17, 05:02 PM
Replies: 10
Views: 465
Posted By calvert

"Adams Architectural Millwork" is in Dubuque...

"Adams Architectural Millwork" is in Dubuque Iowa. They would certainly make new sash for you in a historic fashion. They may also provide you with muntin material but I'm not absolutely sure of...
03-14-17, 05:28 PM
Replies: 12
Views: 821
Posted By calvert

What about the idea of placing another layer of...

What about the idea of placing another layer of foam over the existing foam? I think I would forget the fiberglass idea as the difficulty in placing it either between the existing foam and the new...
03-14-17, 02:10 PM
Replies: 5
Views: 1,946
Posted By calvert

I haven't had a lot of experience with TPO...

I haven't had a lot of experience with TPO membranes other than to handle samples of it. TPO hasn't been around nearly as long as EPDM and from speaking to roofing friends I have, I know the...
03-14-17, 09:42 AM
Replies: 5
Views: 1,946
Posted By calvert

I have used epdm in several crawl spaces and been...

I have used epdm in several crawl spaces and been very happy with the installations.

The material lays out very well and fast compared to 6 or 10 mil poly. I never bothered to seal seams as vapor...
03-13-17, 05:50 PM
Replies: 12
Views: 821
Posted By calvert

What is the foundation constructed of? What are...

What is the foundation constructed of? What are your soil conditions and do you know how the foundation was dealt with for damp proofing and drainage?
What 1-1/2" foam did you use, (R-value)?
Replies: 2
Views: 690
Posted By calvert

Not that it would cause an issue but if you are...

Not that it would cause an issue but if you are contemplating doing the repair yourself with type N, why not do it with the lime mortar? You are close enough to the Philadelphia area to call or...
03-01-17, 04:36 PM
Replies: 3
Views: 474
Posted By calvert

Is Rub-R-Wall available in your area. Very good...

Is Rub-R-Wall available in your area. Very good product and carries warranty. This is a spray applied application. There may be other similar type products in your area.

Do not like Platon for...
02-19-17, 03:50 PM
Replies: 12
Views: 1,282
Posted By calvert

If you are insulating the floor then the space...

If you are insulating the floor then the space below that does not necessarily have to have the walls insulated unless there is some degree of heating delivered to the space.

The actual rim...
02-18-17, 05:39 AM
Replies: 12
Views: 1,282
Posted By calvert

The potential for condensation in your case is...

The potential for condensation in your case is minimized due to the fact that you have solid wood framing for a rim board and as sheathing. Solid wood is much more forgiving than osb or plywood in...
02-12-17, 08:32 PM
Replies: 6
Views: 594
Posted By calvert

That would be a suitable foam. The fiberglass...

That would be a suitable foam. The fiberglass may be showing some signs of moisture due to vapor migration across the foundation, not necessarily liquid water leakage. The water vapor can then...
02-11-17, 05:17 PM
Replies: 6
Views: 594
Posted By calvert

As much as you may not like to hear it, I would...

As much as you may not like to hear it, I would probably replace the fiberglass insulation with closed cell foam. Look behind the fiberglass and see if the wall has a damp appearance or if there are...
02-10-17, 06:03 PM
Replies: 6
Views: 594
Posted By calvert

Is the foam that is on the walls a spray applied...

Is the foam that is on the walls a spray applied or a sheet material? If a sheet, do you know what type of foam?

Are the walls concrete or block and if block are the hollow cores sealed at the...
02-09-17, 10:11 AM
Replies: 8
Views: 4,455
Posted By calvert

From the picture it appears the wood above the...

From the picture it appears the wood above the sash has a deflection. Perhaps it is only a visual anomaly but if you put a long straight edge across the bottom of several joists in the area of the...
02-09-17, 06:46 AM
Replies: 8
Views: 4,455
Posted By calvert

What X said is generally the case. What I...

What X said is generally the case.

What I did notice in your photo is that the sill above the window may have a sag. Not knowing what the load above or the exact construction is, it may be wise...
02-09-17, 04:43 AM
Replies: 4
Views: 426
Posted By calvert

If the split is in the open field of drywall then...

If the split is in the open field of drywall then I would most likely expect mesh tape without using a setting type of mud (durabond).

If the split is close to the wall to hallway, then it could...
02-06-17, 06:08 PM
Replies: 3
Views: 629
Posted By calvert

P

Vapor retarders are designed to slow the migration of water vapor from an area of high concentration to an area of lower concentration but it is really only of critical concern when the transfer...
01-31-17, 05:57 PM
Replies: 4
Views: 644
Posted By calvert

You might call a drywall supply yard in your...

You might call a drywall supply yard in your area. They may have Roxul or another similar rock wool product. You can also ask a few insulation subcontractors if they stock it or can get it quickly...
01-25-17, 04:09 AM
Replies: 18
Views: 1,008
Posted By calvert

There is a book that details standards for window...

There is a book that details standards for window restoration. It will give you good pointers and products to consider. I'm not particularly fond of the Dap glazing compound, you might look up...
01-12-17, 05:27 PM
Replies: 12
Views: 613
Posted By calvert

Why not apply foam sheathing like "Thermax" to...

Why not apply foam sheathing like "Thermax" to the interior surface of the block?
01-08-17, 11:41 AM
Replies: 6
Views: 1,352
Posted By calvert

Before looking at your pictures I thought perhaps...

Before looking at your pictures I thought perhaps your vent stack may be a copper line. After looking at pics and verifying that assumption I would offer a thought that the copper, being extremely...
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