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Trap door in deck needs invisible hinges #1: Trap door invisible hinges

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Blog entry by summerhouse posted 05-01-2016 09:28 PM 1267 reads 0 times favorited 8 comments Add to Favorites Watch
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I have a trap door of 2×6’s which is part of a deck(to crawl space) it measures 53w x 46 deep and weighs probably 80-100 lbs. I need to be able to lift it and it will be cut it in half, inserting flush to deck handles on both doors, under the center of the doors a 2×4 or 2×6 with hangars each end so when the door is closed it rests on center beam so it doesn’t cave in. Similar vision as a Bilco door. I need hinges that are flat with no hinge sticking up to trip over and am having a hard time finding it. Can anyone help with hinges that will allow the doors to fold back flat on the deck. Thanks.



8 comments so far

View Joe Diederichs's profile

Joe Diederichs

4 posts in 430 days


#1 posted 05-02-2016 01:41 AM

Soss hinges? I’ve never tried them for a hatch, but they would be out of the way and there seem to be some available that are stout enough for the weight:

http://www.soss.com/media/wysiwyg/installation-instructions/nomograph.pdf

View summerhouse's profile

summerhouse

6 posts in 217 days


#2 posted 05-02-2016 02:37 PM

Joe, thanks for your comment. I have seen the Soss hinges but am still searching further. Welcome further suggestions. Thank you.

View sras's profile

sras

4391 posts in 2589 days


#3 posted 05-06-2016 03:13 PM

Are you sure you need hinges? Seems like they could just be lifted out of place and set aside…

-- Steve - Impatience is Expensive

View summerhouse's profile

summerhouse

6 posts in 217 days


#4 posted 05-06-2016 03:29 PM

Hi, Steve. Thanks for the reply. the door weighs 80-100 pounds and to lift it initially until the mid point is difficult. i’m still researching the hinges and will meet with the contractor tomorrow (working there anyway) and see what he has to say. Something needs to be done with it; in any event.
I’ll post the final outcome. Lois

View oldnovice's profile

oldnovice

5721 posts in 2828 days


#5 posted 05-06-2016 04:18 PM

I have used a lot of Soss hinges, they are strong and easy to install.
The first time I used them was nearly 40 years ago when I was building test equipment with a very heavy door.

-- "I never met a board I didn't like!"

View sras's profile

sras

4391 posts in 2589 days


#6 posted 05-06-2016 04:22 PM

Well, the weight is certainly an issue [and I missed that in your original post :) ] and hinges are a good solution.

Since I like to toss out ideas for the fun of it, you could consider lifting it out in 2 pieces.

Good luck with your project!

-- Steve - Impatience is Expensive

View sras's profile

sras

4391 posts in 2589 days


#7 posted 05-06-2016 04:26 PM

And Soss hinges will take the weight.

Here is their web site.

-- Steve - Impatience is Expensive

View summerhouse's profile

summerhouse

6 posts in 217 days


#8 posted 05-06-2016 04:30 PM

Hi, you guys are great and great minds think alike. Yes, I am going to see if the contractor agrees with cutting the door down the middle, installing wood hangars at top and bottom (I already have them) and installing a 2×4 or 2×6 beam so when the now split doors close and meet in the middle, there is something to rest on and easy enough to lift out. Concept in my mind is like a Bilco door or opening like a book; as I’m sure you guys realize. The problem is finding a 180 or even a 160 degree hinge so where the hinge part is flat with the deck as its a walk area. I’ve been in Soss (just didn’t think enough of the hinge plates were far enough into the 2×6’s to hold the doors) and other sites, even boat/marine sites for a strong flush to deck hinge even after its mortised in. I’ll know more in the next day or two what the contractor says about this. Its not rocket science but its sure giving me a run for my $$ in thought. Thanks guys. Lois

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