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DIY Home Repair Forum: Insulation and Radiant Barriers 05-25-2014, 05:00 AM
Replies: 46
Views: 1,734
Posted By Perry525
Bodies insulation etc;

Fascinating subject, it should be taught at school.
So many people have trouble understanding.
One thing that troubles me about the insulation industry and builders is, that a Polar bear has a two...
DIY Home Repair Forum: Insulation and Radiant Barriers 05-23-2014, 11:51 AM
Replies: 46
Views: 1,734
Posted By Perry525
Cold basement.

You only mention the furnace, is there any other form of heating down there?
A room can feel cold, because you are too warm or because there is no heating or the heat is escaping.
How much heat are...
DIY Home Repair Forum: Insulation and Radiant Barriers 05-23-2014, 11:29 AM
Replies: 9
Views: 491
Posted By Perry525
Insulating crawl space? Why?

The first Law of Thermodynamics is: heat always moves from hot to cold.

I assume that you really want to keep the heat inside your living space?

Presumably the crawl space is cold and not used...
DIY Home Repair Forum: General Home Improvement Discussion 01-30-2014, 11:23 AM
Replies: 6
Views: 473
Posted By Perry525
I built my first conservatory with floor to...

I built my first conservatory with floor to ceiling glass patio doors, glass all round on three sides. I had under floor heating, in three zones, doubled up along the glass walls, to make sure we...
DIY Home Repair Forum: General Home Improvement Discussion 01-26-2014, 10:45 AM
Replies: 6
Views: 473
Posted By Perry525
Brick v glass.

A single sheet of glass has the same insulation properties as a single leaf brick wall.
Having written that: A brick wall, as built is full of holes, thousands of them, and is not easy to live with....
DIY Home Repair Forum: General Home Improvement Discussion 11-08-2013, 04:52 AM
Replies: 11
Views: 902
Posted By Perry525
There is no point in insulating crawl space...

There is no point in insulating crawl space walls, or in adding heat.

The crawl space is not heated and it is outside the home comfort zone, therefore, whatever happens there will not effect the...
DIY Home Repair Forum: General Home Improvement Discussion 10-26-2013, 01:10 PM
Replies: 11
Views: 902
Posted By Perry525
Air tight is not water vapor tight.

+++++++++++++++++++++++++++++++++++++++++++++

Molecules of air are much bigger than those of water vapor. Lots of things are air tight, but not water vapor tight.

It is probably true to say...
DIY Home Repair Forum: General Home Improvement Discussion 10-25-2013, 01:10 PM
Replies: 11
Views: 902
Posted By Perry525
Water on top of plastic sheet.

The temperature and humidity inside a crawl space stays fairly steady.
The temperature and humidity outside goes up and down as days and nights pass.
What you have is warm wet air entering the...
DIY Home Repair Forum: Insulation and Radiant Barriers 10-23-2013, 05:14 AM
Replies: 8
Views: 1,293
Posted By Perry525
Insulation.

Keep in mind that heat always moves to cold.
You are heating the room, the heat disappears into the ceiling, then the walls and finally the floor.
Wherever you place your heating, most heat is...
DIY Home Repair Forum: Insulation and Radiant Barriers 10-23-2013, 04:57 AM
Replies: 2
Views: 638
Posted By Perry525
Maximum insulation.

It rather depends on where you live.
In the very coldest places 10 inches of polystyrene, more than that and you cannot measure any improvement.
DIY Home Repair Forum: Insulation and Radiant Barriers 06-01-2013, 11:45 AM
Replies: 19
Views: 2,480
Posted By Perry525
Ice dams

Many people over the years, in many places, have found that shingles do not keep out the rising snow melt on their roofs.
While this is certainly not a problem in Alabama?
Kindly advise why you...
DIY Home Repair Forum: Insulation and Radiant Barriers 06-01-2013, 04:49 AM
Replies: 19
Views: 2,480
Posted By Perry525
Alabama

Alabama is warm with high humidity.
I imagine you want to keep the heat out?
Keep in mind that the heat of the sun is mainly transferred by conduction.
You will want the rafters and the roof...
DIY Home Repair Forum: Insulation and Radiant Barriers 05-30-2013, 01:25 PM
Replies: 19
Views: 2,480
Posted By Perry525
Roof vents.

Roof vents are not a good idea.
When the wind blows over a roof, the roof acts like an aircraft's wing trying to lift off, this effect creates a low pressure area to the lee of the roof, that pulls...
DIY Home Repair Forum: Insulation and Radiant Barriers 01-31-2013, 01:14 PM
Replies: 8
Views: 998
Posted By Perry525
Insulation

The most effective place for insulation is on the warm side of a wall.

Putting the insulation on the cold side, means you are paying to heat the frame and the spaces between the sticks. (and this...
DIY Home Repair Forum: Insulation and Radiant Barriers 09-12-2012, 01:19 PM
Replies: 7
Views: 929
Posted By Perry525
Going back to that basement. A furnace in the...

Going back to that basement.
A furnace in the basement is a mixed blessing, it can help to keep the basement warm, yet if it doesn't have a dedicated make up air supply pipe it can pull cold air...
DIY Home Repair Forum: Insulation and Radiant Barriers 09-11-2012, 03:31 AM
Replies: 7
Views: 929
Posted By Perry525
That photo tells a good story. That stairwell...

That photo tells a good story.
That stairwell will loose a lot of heat upstairs, it needs to be boxed in either at the bottom (preferably) or the top. As you walk up stairs, I am sure you can feel...
DIY Home Repair Forum: Insulation and Radiant Barriers 09-10-2012, 11:38 AM
Replies: 1
Views: 485
Posted By Perry525
Any closed cell insulation will do! The best...

Any closed cell insulation will do!
The best approach is to regard all walls, floor and ceiling as being points where your heat will escape and to insulate them all.

The key thing with a bathroom...
DIY Home Repair Forum: Insulation and Radiant Barriers 09-10-2012, 11:23 AM
Replies: 7
Views: 929
Posted By Perry525
1/ basement ceiling, do you want to keep the ...

1/ basement ceiling, do you want to keep the
basement warm?
Is there any heat down there?

Do you want to stop the heat from upstairs moving
down through the floor into the basement and being...
DIY Home Repair Forum: Insulation and Radiant Barriers 09-10-2012, 10:57 AM
Replies: 2
Views: 1,091
Posted By Perry525
Put simply, you and your family produce water...

Put simply, you and your family produce water vapor by, cooking, washing, breathing, drying clothes, having indoor plants, animals,, sweating, children.

All this water vapor is held in the air,...
DIY Home Repair Forum: Insulation and Radiant Barriers 03-19-2012, 12:07 PM
Replies: 7
Views: 1,491
Posted By Perry525
[QUOTE=strategery;70127]I have a 1919 house in...

[QUOTE=strategery;70127]I have a 1919 house in the midwest. I have a fair amount of attic insulation, about R-30-ish and some insulation in the exterior walls (plugs in the siding proves it). I think...
DIY Home Repair Forum: Insulation and Radiant Barriers 03-18-2012, 02:50 PM
Replies: 7
Views: 1,491
Posted By Perry525
Buy a infrared temperature gun from Amazon. ...

Buy a infrared temperature gun from Amazon.
With this you can hold the trigger and point it at any surface and it will tell you its temperature.
You can scan the walls from both the inside and...
DIY Home Repair Forum: Insulation and Radiant Barriers 03-08-2012, 09:15 AM
Replies: 10
Views: 3,001
Posted By Perry525
You are lucky in living in such a warm and sunny...

You are lucky in living in such a warm and sunny place.
Keep in mind that all dark colors absorb heat and all light colors reflect
heat.
Any pastel shades will work, its just that silver or white...
DIY Home Repair Forum: General Home Improvement Discussion 01-09-2012, 11:33 AM
Replies: 5
Views: 1,168
Posted By Perry525
If your timing is right, the problem is unlikely...

If your timing is right, the problem is unlikely to be mold caused by the leak, not enough time for it to form and as mold doesn't form below 40f unlikely at this time of year especially as the house...
DIY Home Repair Forum: General Home Improvement Discussion 01-09-2012, 11:26 AM
Replies: 9
Views: 3,807
Posted By Perry525
Your illustration indicates bad design. Water...

Your illustration indicates bad design.
Water should always be encouraged to flow away from a home.
I would suggest checking where the down pipes are positioned and where the rain is directed from...
DIY Home Repair Forum: Roofing and Siding 12-04-2011, 11:02 AM
Replies: 38
Views: 5,080
Posted By Perry525
I suggest you take a walk and look at other homes...

I suggest you take a walk and look at other homes and check out their flashing, then go on-line and learn how it should have been done.
Showing results 1 to 25 of 107