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Need to raise height for loft floor?Graded C16 Construction Timber normally £6.56 now £5.58 @ B&Q

meliponamelipona

Howie Forest Products Sawn Regularised Strength Graded C16 Construction Timber (L)3600 x (W)175 x (T)47mm
Its a lot of wood for your money :)
Particularly for those who recently ordered extra loft insulation and need to raise the joist height so they can put some flooring down in the loft.
Normal price is £6:56 but its 15% off this weekend. Best I could get for something similar from timber merchants was £8.45.
Just a note that no stock was held in any of the stores in my area, apparently it is not normally "ranged" they have to put in a special order, delivery quote is a couple of weeks but timber man said it should be fairly quick.

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All Comments (9)

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    rizla01
    Def A GOOD price.
    oberlisc
    So in old money just under 12 feet long and 7"x2", good price for C16 grade trimber. :thumbsup:
    MikeT
    MikeT[mod]5 years, 1 week ago #3Show comment tools Reply
    Consider the fact that most joist arrangements in lofts are sized just big enough to take the weight of a ceiling hanging off them and maybe occasional foot traffic. Unless you can find some supporting walls to put extra joists onto you would be best advised to consult a builder. 7x2" timber isnt light.
    cadmus
    MikeT
    Consider the fact that most joist arrangements in lofts are sized just big enough to take the weight of a ceiling hanging off them and maybe occasional foot traffic. Unless you can find some supporting walls to put extra joists onto you would be best advised to consult a builder. 7x2" timber isnt light.

    totally agree ..... anyhow , majority of roofspaces want to gain height - not lose it . you be going around like quasi modo up there :-D
    melipona
    Hmm...well I'm not light either. I think that it would be much better to distribute my 200 odd lbs over a number of joists using these with floorboards than just put all my weight onto one section. Fitting a loft floor is inherently much safer than walking across joists. Sure there is some loss of height but its a compromise between comfort and safety.

    Also remember that most house joists are concealed when 270mm of insulation is fitted so it is almost impossible to move around safely in an already confined space, so a floored area is a must.

    If you look here you will see how typical roofs are constructed, the joists are actually well supported by the walls. The extra weight of the wood required to increase the joist height for added insulation, plus any weight of the floorboard is inconsequential, notwithstanding the fact that sharing the load over a number of joists reduces the load on each joist significantly, (weight shared over 2 joists means each joist carries half the load, increase the number of joists, individual load reduces)
    Incidentally, in all the houses I have lived in, never once have I seen or felt any movement in the loft joists despite a lump like me prancing about up there. I am much more fearful of sticking a foot or more through the plasterboard than a joist not supporting my weight. :whistling:

    Of course if anybody is in any doubt then they should seek proper advice.
    tek-monkey
    Excellent, need something now to go with the cheap insulation.
    bascule
    donovan846
    melipona


    If you look here you will see how typical roofs are constructed, the joists are actually well supported by the walls.


    Thanks for the link. I'm doing a renovation and this is very useful.
    m1chaels
    Our ceiling joists were only 3x2 and they sagged enough for cracks to appear on the ceiling plasterboard joints - we did have an awful lot of carp up there tho!

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