We require 3 sizes of timber joists and 2 sizes of structural plywood. JOISTSJoists usage: roofing, flooring, external walls in timber frame buildings:- treated C24 regularised - Kiln Dried joists - 50x100x6000mm (qty 200 lengths = 6 cubic meters) - treated C24 regularised - Kiln Dried joists - 50x150x6000mm (qty 280 lengths = 12 cubic meters- treated C24 regularised - Kiln Dried joists - 50x200x6000mm (qty 100 lengths = 6 cubic meters)The length doesn't have to be 6000mm, we are flexible.The joists should normally be treated and regularised: round edges and smooth faces.Regarding the timber joists, what Strength Class and what standard BS EN ? That's paramount you give us the exact specifications as we use in construction of houses.PLYWOODAlso we require structural plywood for roof and structural floor:- about 150 sheets 1220x2440mmx18mm - about 100 sheets 1220x2440mmx6mm playwoodIt's very important to know the characteristics/specifications of your plywood? We need to check bonding and mechanical properties to see if it's suitable for humid and structural use. Is it EN636 ? EN310 ? EN12369 ? Which class? 1 or 2 or class 3 ? ThanksCould you please send your price, shipping costs and how many days to deliver? ThanksOur nearest ports are Southampton or Felixstowe.Kind regardsTom Show More