Register cover

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Project by MasterSergeant posted 02-02-2011 03:31 AM 1938 views 2 times favorited 6 comments Add to Favorites Watch

This may seem like a little bit of a weird project, but in reality this is one of my most significant builds to date. My wife and I built our home with our own two hands and we built it well as we are finding out. We put our air conditioner up in the attic with all the cold air runs in the ceiling throughout the house. Each winter we would go around and close all the registers thinking they shut air tight, we were so wrong. I was up working on one the other day and I noticed the cold cold air was just dumping into the room! I check the other registers and they were doing the same! I came up with an idea to build insulated register covers and here they are. We have had them up for about 2 weeks and already can tell the difference in the house, no more subtle drafts we have experienced in winters past. I think I hit the jackpot in cutting winter heating bills!!
I used cedar for the boxes, as it is a light wood, then i drilled 1/4” recessed holes in each corner. I bought some 1/4” rare earth magnets and glued them into the recesses so they are just flush with the edge. I had some aluminum foil bubble insulation and lined the interior of the box with that. The magnets hold the cover in place very well and the insulation keeps the cold air up in the attic where it belongs.

-- Kelly, woodworker under construction

6 comments so far

View KnotCurser's profile


2040 posts in 4147 days

#1 posted 02-02-2011 03:56 AM

I think this is an excellent idea – more people should be as energy-savvy as yourself!

Every hole blocked is money saved!

And, they look good to boot – a double win!


-- Robert Rhoades WoodWorks / Email: [email protected] /

View greglwood's profile


12 posts in 3752 days

#2 posted 02-02-2011 05:02 AM

Where do you get your heat from if you closed off the register?

-- Greg, Tennessee,

View MasterSergeant's profile


1441 posts in 3767 days

#3 posted 02-02-2011 12:40 PM

Ah, the heat (greglwood)! We have in-floor hot water heating throughout the house. My wife and I literally pulled thousands of feet of Pex tubing under all the floors (including under the concrete slabs of the basement and garage) in our new house! We have toasty warm feet (and cars) all winter long!

-- Kelly, woodworker under construction

View Bluepine38's profile


3391 posts in 4164 days

#4 posted 02-02-2011 04:33 PM

Great idea on the covers, they go up easy and work, and will be easy to take off and store in the summer.
With the in floor heat, it seems you have your heating & A/C covered. Hope you have many happy days
finishing the inside of the house to your satisfaction. Thank you for sharing, and do not spoil those grand
children too much before you send them home.

-- As ever, Gus-the 80 yr young apprentice carpenter

View Michelle's profile


7 posts in 3749 days

#5 posted 02-02-2011 06:40 PM

Awesome idea!

-- Michelle

View Richard's profile


1944 posts in 3769 days

#6 posted 03-17-2011 07:02 PM

Gus what do mean don’t spoil the grand children too much before you send them home. Half the Fun of being Grandpa is when your kid calls and say’s Dad what did you do my kids? It’s called Revenge.

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