Loft Hatch - with PICTURE!

[dizz]

Good evening.

Want to make a loft hatch bigger.

The picture is taken from the loft

Remove section of joist (X)

Put in two pieces of timber (A), same size as existing joists, and attach with joist hangers to the other joists at either end.

Put in Noggin (B).

And then do the stuff needed for the hatch.

The question is - is this OK/Good enough/Safe/A Problem ...

[ps to the left on the pic, you will see that the joists rest on a structural wall in the middle of the flat. The joist extend about two metres from the existing hatch to the right.

Thanks

Untitled

• dizz
• 2 Aug 2010
• 1

 

[HERTS P&D]

To add strength double up on 'A' on each side. Once this has been done then line new hatch size with 18mm x 100 PAR timber.
Please note this does make it smaller. So you might want to cut a large hatch .


Andy

 

[dizz]

Cheers Andy

Would you use joist hangers like this :

http://www.tool-net.co.uk/p-310698/...-leg-jiffy-timber-to-timber-joist-hanger.html

To attach A at each end to the uncut old joists, and alst the cut off X (old joist) to the A's where they connect?

If so, would it work if I "double up?"

 

[HERTS P&D]

Yes use joist hangers and new timber to get your frame, then double up with new extra timber glued and screwed to the new joists.


Andy

 

[dizz]

Thanks

 

[gregers]

dont want to put a damper on this,but looking at your pic,it appears to be a trussed roof?
do you not need to obtain calculations on cutting into it and maybe weakening the structure???.

 

[dizz]

Hi Gregers

Thanks for that.

Here is an image of a part of the roof structure.

What you think after seeing this pic?

Untitled

• dizz
• 3 Aug 2010
• 1

See how nicely the kitchen smells vent out?

 

[masona]

Here is an image of a part of the roof structure.

What you think after seeing this pic?

That's fine, carry on

Also double joist where the A joist meets and opposite a bonus would be put in 1 x rawlbolt in the middle against the wall

ps: Is that a fan cover in operation, if so, should really be vented out to outside soffit or roof tiles

 

[dizz]

< ps: Is that a fan cover in operation, if so, should really be vented out to outside soffit or roof tiles >

Yes it is a fan - nasty isn't it.

 

[dizz]

ooo .. and thanks for the reply.