Ask The Trades - fitting a GRP door

ckelly0172

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fitting a GRP door
Aug 11^th, 2006, 9:46pm

hi there,
I've just bought a d/g GRP door to replace my front door but after reading the fiiting instructions am a little confused.... Huh

I have fitted a standard d/g door which has a casement all the was round adn thus fairly easy to install, however this GRP door does not have the casement all the way round, the bottom section is not there!!!
The base of the door is approx 3-4cm short of the casing so if fitted there would be a gap along the bottom. Are the two sides supposed to be trimed? but then it would be too short for the opening?? How does the sil attach.
Any advice greatly appreciated
Confused..
Craig

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JFC GDPR opt-out Total Thanks: 0 For This Post: 0	Re: fitting a GRP door Reply #1 - Aug 11^th, 2006, 10:01pm Sounds odd to me but then i dont do plastic . 30 - 40mm sounds like the depth of a plastic cill so does the plastic cill fit between the two side stiles and get fixed from the outside of the stiles into the cill ? Just a guess .
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ckelly0172 Junior Member Offline Posts: 45 Total Thanks: 0 For This Post: 0 Gender:	Re: fitting a GRP door Reply #2 - Aug 11^th, 2006, 10:21pm ah, i was thinking that also, but the sil is the same width as whole frame. Also if the cill did in between the stiles the total height woudl be 35mm short of what door is to fit, ie the size of the cill....
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TIMBA-WOLF Board Moderator Offline Timba-Wolf..... Var@*sh, should be banned!! Posts: 7158 Total Thanks: 15 For This Post: 0 KENT,(under a tree!!!!) United Kingdom Gender: Trade: Joiner	Re: fitting a GRP door Reply #3 - Aug 11^th, 2006, 10:56pm is there any way yo could post any diagrams that come with this door!!?? like JFC, i dont touch grp/placcy doors,but we will try all we can to assist!
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JFC GDPR opt-out Total Thanks: 15 For This Post: 0	Re: fitting a GRP door Reply #4 - Aug 11^th, 2006, 11:28pm So the door is too short what ever you do ?
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woodsmith Global Moderator Trade Member Author Offline Posts: 4407 Total Thanks: 137 For This Post: 0 Gender: Trade: Joiner	Re: fitting a GRP door Reply #5 - Aug 12^th, 2006, 9:28am Do you need to fit a threshold strip to the cill? They are usually about 25-30mm
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ckelly0172 Junior Member Offline Posts: 45 Total Thanks: 0 For This Post: 0 Gender:	Re: fitting a GRP door Reply #6 - Aug 12^th, 2006, 10:30am thanks for all your replies chaps, will try and post some pics and the instructions. I do have an extra part that may be the threshold but not really sure how it would fit. hopefully the pics may be of use!!!!
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ckelly0172

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Re: fitting a GRP door
Reply #7 - Aug 12^th, 2006, 11:45am

here's the pics chaps..

http://i110.photobucket.com/albums/n89/ckely0172/doorbottom.jpg

http://i110.photobucket.com/albums/n89/ckely0172/plate.jpg

http://i110.photobucket.com/albums/n89/ckely0172/instructions.jpg
I'm afraid the instructions pic is poor, and it is on the only section on the whole leaflet that mentions fitting a GRP door.

hope someone can fathom it out!!!

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woodsmith Global Moderator Trade Member Author Offline Posts: 4407 Total Thanks: 137 For This Post: 0 Gender: Trade: Joiner	Re: fitting a GRP door Reply #8 - Aug 12^th, 2006, 11:54am Screw the cill to the jambs, fit the door and frame then fit the threshold strip by screwing it into the cill. I'd apply a bead of glazing silicon under the threshold strip.
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ckelly0172 Junior Member Offline Posts: 45 Total Thanks: 0 For This Post: 0 Gender:	Re: fitting a GRP door Reply #9 - Aug 12^th, 2006, 12:06pm cheers woodsmith. sounds simple enough. feel abit dumb now Just feel that when entering and exiting there will be a bit of a lip to trip on. thanks for yur advice craig
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TIMBA-WOLF Board Moderator Offline Timba-Wolf..... Var@*sh, should be banned!! Posts: 7158 Total Thanks: 15 For This Post: 0 KENT,(under a tree!!!!) United Kingdom Gender: Trade: Joiner	Re: fitting a GRP door Reply #10 - Aug 12^th, 2006, 12:10pm i agree W/S , but i would apply a bead of a mastic to the front and back of the cill prior to attatching to stop any water from wicking through!!
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woodsmith

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Re: fitting a GRP door
Reply #11 - Aug 12^th, 2006, 12:21pm

TIMBA-WOLF wrote on Aug 12^th, 2006, 12:10pm:

i agree W/S , but i would apply a bead of a mastic to the front and back of the cill prior to attatching to stop any water from wicking through!!

Good idea

As for the lip it would be possible to fit a low level "roll over" threshold but as these are only 15mm high the door jambs would need cutting down, with a very square cut.

Then the frame would be short and you would need to set it on a thicker bed of mortar.

PS you will probably need to set the cill on a mortar bed anyway, these cills have little strength and need to be fully supported across the width.

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ckelly0172 Junior Member Offline Posts: 45 Total Thanks: 0 For This Post: 0 Gender:	Re: fitting a GRP door Reply #12 - Aug 12^th, 2006, 12:30pm cheers... will be having ago on monday. Do these door have any adjustment when fitted, they just have standard hinges unlike a standard uvpc door... Or is a case of getting the frame absolutely plumb.
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TIMBA-WOLF

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Re: fitting a GRP door
Reply #13 - Aug 12^th, 2006, 12:31pm

i recall these type of threshold strips, screwed to a strip of hardwood (with plenty of mastic between-again to stop wicking-hence drip lip section to face!) then sat on a thin bed of mortar with a section of damp proofing between the timber and mortar!!

i have also recalled seeing this sort of timber/ally section atttached direct to the frame prior to installation, then the whole affair just slid in to place, frame afixed then a builder premium mastic applied all round!!

sound about right to you W/S??

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TIMBA-WOLF

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Re: fitting a GRP door
Reply #14 - Aug 12^th, 2006, 12:33pm

ckelly0172 wrote on Aug 12^th, 2006, 12:30pm:

cheers... will be having ago on monday. Do these door have any adjustment when fitted, they just have standard hinges unlike a standard uvpc door... Or is a case of getting the frame absolutely plumb.

yep!
usually use thin timber packers at the fixing points, above and below each fixing, and remember to fill out under the frame/threshold to stop any sagging!!

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woodsmith

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Re: fitting a GRP door
Reply #15 - Aug 12^th, 2006, 1:03pm

TIMBA-WOLF wrote on Aug 12^th, 2006, 12:31pm:

i recall these type of threshold strips, screwed to a strip of hardwood (with plenty of mastic between-again to stop wicking-hence drip lip section to face!) then sat on a thin bed of mortar with a section of damp proofing between the timber and mortar!!

i have also recalled seeing this sort of timber/ally section atttached direct to the frame prior to installation, then the whole affair just slid in to place, frame afixed then a builder premium mastic applied all round!!

sound about right to you W/S??

Like JFC and yourself I must admit to never fitting a GRP door but it sounds pretty good to me. I prefer to fit the threshold strip last then there is no chance of the sealant being disturbed

I have used the roll over threshold strips though Roll Eyes

the main problem I've found with them is that the door has to fit perfectly, 1/8" out ( see I've gone specially Imperial for you Wink

) and they don't work. Plus I think you still need a weather bar.

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TIMBA-WOLF Board Moderator Offline Timba-Wolf..... Var@*sh, should be banned!! Posts: 7158 Total Thanks: 15 For This Post: 0 KENT,(under a tree!!!!) United Kingdom Gender: Trade: Joiner	Re: fitting a GRP door Reply #16 - Aug 12^th, 2006, 1:06pm Quote: ( see I've gone specially Imperial for you ) Thanks!!!
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