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Search: Posts Made By: wwhitney
Forum: Tile Forum/Advice Board 04-17-2018, 06:40 PM
Replies: 20
Views: 876
Posted By wwhitney
Seems unusual to do the rough plumbing after...

Seems unusual to do the rough plumbing after tiling. What's the reason for that?

Cheers, Wayne
Forum: Tile Forum/Advice Board 04-17-2018, 09:15 AM
Replies: 20
Views: 603
Posted By wwhitney
Stratamat is a tilable surface used in lieu of...

Stratamat is a tilable surface used in lieu of cement backerboard.

Cheers, Wayne
Forum: Tile Forum/Advice Board 04-16-2018, 10:44 PM
Replies: 3
Views: 193
Posted By wwhitney
The horizontal drain line between the trap outlet...

The horizontal drain line between the trap outlet and the vent connection is called the trap arm. To avoid the possibility of siphoning the trap it is required that a level line from the "spill...
Forum: Tile Forum/Advice Board 04-16-2018, 12:14 PM
Replies: 3
Views: 193
Posted By wwhitney
A couple quick comments, not thorough: ...

A couple quick comments, not thorough:

Where's the vent for the double lavatory?

You can't use a wye-fitting where a horizontal trap arm meets the vertical vent/drain stack, you need a sanitary...
Forum: Tile Forum/Advice Board 04-10-2018, 02:14 PM
Replies: 22
Views: 539
Posted By wwhitney
I don't believe it would distribute the load any...

I don't believe it would distribute the load any better, as long as you used enough screws to tie the frame to the studs. The advantage would be that you'd have just two studs at the perimeter,...
Forum: Tile Forum/Advice Board 04-10-2018, 01:46 PM
Replies: 22
Views: 539
Posted By wwhitney
It would be best to anchor the plywood to the...

It would be best to anchor the plywood to the framing by overlapping it with the studs and then attaching it with screws and wood glue. That is why I suggested "letting in" the plywood to the...
Forum: Tile Forum/Advice Board 04-10-2018, 12:59 PM
Replies: 22
Views: 539
Posted By wwhitney
I could see using plywood inside the niche (e.g....

I could see using plywood inside the niche (e.g. let into the backside of the niche framing). But I don't see any need for plywood on the shower face of the studs outside the niche.

Any...
Forum: Tile Forum/Advice Board 04-10-2018, 11:05 AM
Replies: 22
Views: 539
Posted By wwhitney
Shear walls are not for resisting out of plane...

Shear walls are not for resisting out of plane loads. Plywood will transfer out of plane loads to the studs, but the studs themselves resist the out of plane loads (3-1/2" depth versus ~ 1/2"...
Forum: Tile Forum/Advice Board 04-10-2018, 09:52 AM
Replies: 22
Views: 539
Posted By wwhitney
Just to be clear, since this wall isn't carrying...

Just to be clear, since this wall isn't carrying any gravity load and the concern is about out-of-plane loads, the double header and double sill should be two flat-wise members. Not like a normal...
Forum: Tile Forum/Advice Board 04-10-2018, 09:08 AM
Replies: 22
Views: 539
Posted By wwhitney
My comment about middle third of the wall meant...

My comment about middle third of the wall meant vertically, in case that wasn't clear.

Thinking about it some more, treating the niche the same way you treat a hole in floor framing would be the...
Forum: Tile Forum/Advice Board 04-10-2018, 12:06 AM
Replies: 22
Views: 539
Posted By wwhitney
I believe for wall tile the issue is out of plane...

I believe for wall tile the issue is out of plane deflection (pushing/bumping into the wall). For normal wall framing, the studs span from top plate to bottom plate, and experience says that 2x4...
Forum: Tile Forum/Advice Board 04-09-2018, 11:46 PM
Replies: 20
Views: 677
Posted By wwhitney
Sample heat loss calculation, adjust as required:...

Sample heat loss calculation, adjust as required:

15' of exterior wall, assume 8' foot ceilings = 120 sq ft
Assume window is 10 sq ft of R-1
Assume 2x4 walls that are 20% wood framing, 22 sq ft...
Forum: Tile Forum/Advice Board 04-07-2018, 06:55 PM
Replies: 73
Views: 2,268
Posted By wwhitney
Drywall shims above the liner is an alternative...

Drywall shims above the liner is an alternative to notching, yes?

Cheers, Wayne
Forum: Tile Forum/Advice Board 04-06-2018, 04:55 PM
Replies: 6
Views: 270
Posted By wwhitney
Adding subfloor will do nothing for improving...

Adding subfloor will do nothing for improving your joist deflection; they are two separate issues.

If you are willing to add some supports in the crawl space, underneath one of the first floor...
Forum: Tile Forum/Advice Board 04-06-2018, 10:17 AM
Replies: 21
Views: 1,419
Posted By wwhitney
What are the dimensions of the area in which the...

What are the dimensions of the area in which the subfloor is to be lowered? In the direction perpendicular to the trusses, make sure the area you specify extends to the midline of a truss on each...
Forum: Tile Forum/Advice Board 04-06-2018, 09:27 AM
Replies: 72
Views: 3,513
Posted By wwhitney
Are you going to pair that Geberit unit with a...

Are you going to pair that Geberit unit with a floor mount toilet or a wall mount toilet?

If wall mount, what is the detail that you used at the top of those two short studs that the Geberit...
Forum: Tile Forum/Advice Board 04-04-2018, 11:16 AM
Replies: 72
Views: 3,513
Posted By wwhitney
I believe Lithonia is a reputable brand. Per the...

I believe Lithonia is a reputable brand. Per the installation instructions for the model I posted: "If remote driver box need to be attached, use provided keyhole fittings on the back of the box to...
Forum: Tile Forum/Advice Board 04-03-2018, 07:05 PM
Replies: 73
Views: 2,268
Posted By wwhitney
Hi Steve, I haven't been following your...

Hi Steve,

I haven't been following your thread, so perhaps I am missing something. But the drain would typically just be in an approximately 4" thick slab, not a large foundation element. In...
Forum: Tile Forum/Advice Board 04-02-2018, 09:08 AM
Replies: 72
Views: 3,513
Posted By wwhitney
Here's a 3" version by another manufacturer, also...

Here's a 3" version by another manufacturer, also wet location rated:

https://www.amazon.com/Lithonia-Lighting-WF3-LED-30K/dp/B01N4WTWJR/

This style of light comes with a driver in a separate...
Forum: Tile Forum/Advice Board 04-01-2018, 06:29 PM
Replies: 35
Views: 1,335
Posted By wwhitney
If the floor to ceiling glass is at the low end...

If the floor to ceiling glass is at the low end of the slope, can you even raise that side 2" without trapping the windows in an odd way?

If you want to remove the slope, the best option is to...
Forum: Tile Forum/Advice Board 04-01-2018, 06:23 PM
Replies: 72
Views: 3,513
Posted By wwhitney
That is incorrect to my knowledge. The UL...

That is incorrect to my knowledge. The UL section I posted applies only to ventilation fans, not lights.

Cheers, Wayne
Forum: Tile Forum/Advice Board 04-01-2018, 11:34 AM
Replies: 72
Views: 3,513
Posted By wwhitney
As the sections of the NEC I posted indicate,...

As the sections of the NEC I posted indicate, there is no blanket requirement for GFCI on lights in the tub/shower zone. All that is required is a damp or wet rating as appropriate.

Now, it...
Forum: Tile Forum/Advice Board 04-01-2018, 10:52 AM
Replies: 72
Views: 3,513
Posted By wwhitney
From...

From http://productspec.ul.com/document.php?id=GPWX.GuideInfo



That's somewhat ambiguous about your application. On the one hand the last sentence's exclusion is independent of height; on the...
Forum: Tile Forum/Advice Board 04-01-2018, 10:24 AM
Replies: 16
Views: 1,243
Posted By wwhitney
Terminology: The additional support board is...

Terminology: The additional support board is called a beam, and the vertical members supporting the beam are called posts.

The size of the beam required would depend on the spacing between the...
Forum: Tile Forum/Advice Board 04-01-2018, 10:17 AM
Replies: 72
Views: 3,513
Posted By wwhitney
No need for GFCI for lighting circuits over a...

No need for GFCI for lighting circuits over a shower. Instead, from the 2011 NEC (I haven't checked the 2012 IRC, but would expect it to be similar):



For can lights, I believe the wet or damp...
Showing results 1 to 25 of 500

 
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