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Typical Weights of Building Materials - YourSpreadsheets
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Typical weights of building materials (weights are based on materials available in United Kingdom)
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Most common materials: Material
Description
Weight in kN/m 2 U.N.O.
Blockwork Brickwork Concrete Glass Steel Timber
Lightweight London stock Normal reinforcement Clear float Mild Softwood
10 kN/m3 19 kN/m3 24 kN/m3 25 kN/m3 78 kN/m3 6 kN/m3
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Full list of materials: Material
Description
Thickness/ quantity of unit
Weight in kN/m 2 U.N.O.
A Aggregate Aluminium
Asphalt
Cast alloy Longstrip roofing Bronze Roofing - 2 layers Paving
0.8 mm 25 mm
16 kN/m3 27 kN/m3 0.022 76 kN/m3 0.58 21 kN/m3
B Bituminous felt roofing Bitumen Blockboard Blockwork
Books Brass Brickwork
Bronze
3 layers and vapour barrier Sheet Aerated concrete Dense aggregate Lightweight On shelves Bulk Cast Blue Engineering Fletton
18 mm
0.11 11-13 kN/m3 0.11 5-9 kN/m3 20 kN/m3 7-14 kN/m3 7 kN/m3 8-11 kN/m3 85 kN/m3 24 kN/m3 22 kN/m3 18 kN/m3
London stock Sand lime Cast
19 kN/m3 21 kN/m3 83 kN/m3
Sheet Sheet Flat roof finish Undisturbed Aerated Lightweight aggregate Normal reinforced Loose lump Cast Longstrip roofing Granulated
23 kN/m3 15 kN/m3 22 kN/m3 7 kN/m3 0.12 0.15 0.05 19 kN/m3 10 kN/m3 18 kN/m3 24 kN/m3 9 kN/m3 87 kN/m3 0.05 1 kN/m3
C Cast stone Cement Chalk Chippboard
Chippings Clay Concrete
Coal Copper Cork
18mm 22mm 1 layer
0.6 mm
F False ceiling Felt
Steel framing Roofing underlay Insulating 3 layer plus chippings
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50 mm
0.1 0.015 0.05 0.35
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Typical Weights of Building Materials - YourSpreadsheets 3 layer plus chippings
0.35
Crushed/refuse Clear float Single glazing Double glazing Quilt
Loose Undisturbed
16 kN/m3 25 kN/m3 0.3 0.52 0.01 194 kN/m3 27.3 kN/m3 16 kN/m3 21 kN/m3
Greenheart Oak Iroko, teak Mahogany Including ribs & mortar (but not topping)
300 mm thick overall 100 mm thick overall
6-8 kN/m3 19 kN/m3 10 kN/m3 8 kN/m3 7 kN/m3 6 kN/m3 12 kN/m3 15 kN/m3
Glass fibre Glass fibre
100 mm 150 mm
0.02 0.03
G Glass
Glass wool Gold Granite Gravel
100 mm
H Hardboard Hardcore Hardwood
Hollow clay pot slabs
I Insulation
Iron
Polystyrene Rockwool Cast Wrought
25 mm
Ivory
0.04 0.01 72 kN/m3 77 kN/m3 19 kN/m3
L Lead
Lime
Linoleum
Cast Sheet Sheet Hydrate (bags) Lump/quick (powder) Mortar (putty) Sheet
1.8 mm 3.2 mm
3.2 mm
114 kN/m3 0.21 0.36 6 kN/m3 10 kN/m3 18 kN/m3 0.05
M Macadam Magnesium Metal roof cladding MDF Mercury Mortar Mud
Paving
21 kN/m3 18 kN/m3 0.07 8 kN/m3 136 kN/m3 17-18 kN/m3 17-20 kN/m3
Alloys Sheet
P Partitions
Patent glazing Pavement stones Peat Plaster
Plastic Plywood
Polystyrene Precast concrete
Plastered brick Medium dense plastered block Plaster board on timber stud Single glazed Double glazed Cast iron or concrete framed
102 + 2 x 13 mm 100 + 2 x 13 mm 100 + 2 x 13 mm
Plasterboard Plasterboard Wallboard and skim coat Lath and plaster Traditional lime plaster Traditional lath + plaster ceiling Plasterboard on timber stud Plastered brick 102 + 2 x 13mm Plastered medium density block Corrugated
12.5 mm 19 mm 13 mm 19 mm
Sheet Sheet Expanded sheet Beam and block + 50 mm topping Hollowcore plank Hollowcore plank Hollowcore plank Solid plank plus 50 mm topping
12.5 mm 19 mm
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100 mm
150-225 mm 150 mm 200 mm 250-450 mm 75-300 mm
2.6 2.0 0.35 0.26-0.3 0.52 1.5 11 kN/m3 0.09 0.15 0.12 0.25 20 kN/m3 0.5 0.35 2.6 2.0 0.04 7 kN/m3 0.08 0.12 0.2 kN/m3 1.8-3.3 2.4 2.8 3.7-5.5 3.7-7.4
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Typical Weights of Building Materials - YourSpreadsheets
Q Quarry tiles
Including mortar & bedding
12.5 mm
0.32
R Raised floors
Ribbed slab Roofing tiles
Heavy duty Medium weight Lightweight 250-500 mm Clay - plain Clay pantile Concrete Slate
0.5 0.4 0.3 4.0-5.7 0.77 0.42 0.51 0.3
S Sand Screed
Dry, loose Wet, compact Sand/cement 50 mm 75 mm
Slate Snow
Slab Fresh Wet, compacted
Softwood
Soils
Stainless steel roofing Steel Stone Granite Limestone
Marble Sandstone
Slate Suspended ceiling
T&G (Tongue and Groove) T&G (Tongue and Groove) Battens for slating & tiling 25 mm T&G boards on 100x50 timber joists @ 400 crs 25 mm T&G boards on 250x50 timber joists @ 400 crs Loose sand & gravels Dense sand & gravels Soft/firm clays & silts Stiff clays and silts Longstrip Mild
15.5 mm 22 mm
16 kN/m3 19 kN/m3 22 kN/m3 1.15 1.8 28 kN/m3 1 kN/m3 3 kN/m3 6 kN/m3 0.09 0.12 0.03 0.23 0.33
0.4 mm
16 kN/m3 22 kN/m3 18 kN/m3 21 kN/m3 0.05 78 kN/m3
Cornish (Cornwall) Rublislaw (Grampian) Bath (Wiltshire) Mansfield (Nottinghamshire) Portland (Dorset) Italian Bramley Fell (West Yorkshire) Forest of Dean (Gloucestershire) Dalrey Dale or Kerridge (Derbyshire) Welsh
26 kN/m3 25 kN/m3 21 kN/m3 22 kN/m3 22 kN/m3 27 kN/m3 22 kN/m3 24 kN/m3 23-25 kN/m3 28 kN/m3
Aluminium Steel
0.05 0.1
C16
3.6 kN/m3
C24
4.1 kN/m3 18 kN/m3
T Timber Terracotta Terrazzo Thatch
Paving Including battens
20 mm 305 mm
0.42 0.45
Standard moulds Fresh
325-525 mm
6.0-8.6 10 kN/m3
W Waffle slab Water Woodwool slabs
6 kN/m3
Z Zinc
Cast Longstrip roofing
72 kN/m3 0.8 mm
0.06
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