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Mike
Wye & Associates Suppliers of Natural Building and Decorating Products sales@mikewye.co.uk Telephone; 01409-281644
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| Natural
Building Products and Prices Index |
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Clay
Board
Made of
clay, reed and hessian. It is a practical alternative to plasterboard or lath
and plaster and is compatible with clay or lime plasters. Clay products help to
regulate temperature and moisture and provide acoustic insulation.Click
here for technical sheet.
| QUANTITY |
PRICE |
| BD
20mm x 1500 x 625 | £26.00 |
| BD
25mm x 1500 x 625 | £29.00 |
Claytec
Plasters - General
These are a blend of clay, fine aggregate and plant fibres. They are supplied
as dry powders in bags or as "green" or wet mixes in 1 tonne or 1.2 tonne bags.
They have an indefinite shelflife whilst dry and are mixed with clean water for
use. They harden by drying and, as no chemical reaction takes place, they remain
workable for a lengthy period and can be re-worked by the addition of water. They
can be used internally on masonry, clayboards, lime plasters and plasterboard
and offer a practical alternative to gypsum plasters. The self-coloured plasters
provide a high quality non-dusting surface without the need for further decoration.
Clay
plaster Topcoat
Click
here for Claytec technical sheet.
| QUANTITY |
PRICE |
| Claytec
top coat 30kg | £24.00 |
Claytec
Undercoat
Click
here for technical sheet.
| QUANTITY |
PRICE |
| 30kg |
£20.00 |
| 1200kg
Wet | £351.54 |
Wemico
R131 Glass Fibre Mesh
for
reinforcing plasters.
| QUANTITY |
PRICE |
| 50
m² Roll | £65 |
LECA
Light Expanded
Clay Aggregate is ideal for use as an insulating sub-base beneath ground floors
or as a light weight aggregate in slabs. It consists of lightweight, porous, ceramic
granules formed by expanding special clays at high temperatures. In bulk, the
coated version of LECA is free-draining and has negative capillary action, good
load-bearing properties and good thermal qualities (k = 0.15 w/mk).
Click
here for technical sheet.
| 50 litre bags | 1.2 cu. metre bags | |||
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| PRICE | WEIGHT | SIZE |
PRICE |
| LECA
Mix 0 - 4mm | £7.70 | 18 kg | £97.00 | 440
kg |
| LECA
Mix 4 - 10mm | £7.70 | 17.5 kg | £97.00 | 420
kg |
| LECA
Mix 10 - 20mm | £7.70 | 16 kg | £88.00 | 380
kg |
| Coated
LECA 10 - 20mm | £8.10 | 16 kg | £90.00 | 380
kg |
Bulk discounts are available for full pallets of 50 litre bags (21 bags / pallet) or 10+ bags of the 1.2 cu.m size. All prices are plus carriage, although the 50 litre bags are available ex-works.
![]() Click to view larger image | ![]() Click to view larger image | Produced
in the UK, sheepswool batts natural insulation come in a range of sizes. They
are sustainable, safe and have a high insulation valve (k = 0.037 w/mk) and excellent
moisture control without loss of thermal efficiency. They have low embodied energy
and are not toxic or irritating in use. Cost per m2 at 100mm is about £9.60
plus carriage. |
| BATT
DIMENSIONS | BATT
m² | BATTS
per PACK | PACK
m² | INDIVIDUAL £ / BATT | m³
PACK |
| 50
x 400 x 1200 | 0.48 |
42 |
20.16 |
£3.50 |
£95.96 |
| 50
x 600 x 1200 | 0.72 |
28 |
20.16 |
£5.25 |
£95.96 |
| 75
x 400 x 1200 | 0.48 |
27 | 12.96 |
£5.25 |
£92.28 |
| 75
x 600 x 1200 | 0.72 |
18 | 12.96 |
£7.86 |
£92.28 |
| 100
x 400 x 1200 | 0.48 |
21 | 10.08 |
£6.88 |
£95.76 |
| 100
x 600 x 1200 | 0.72 |
14 | 10.08 |
£10.32 |
£95.76 |
Cellulose
insulation
Excel Warmcell
100 loose-fill cellulose fibre natural insulation is produced from 100% recycled
paper and has a high insulation value (k = 0.035 w/mk). It is non-toxic, non-irritant
and extremely easy to use. Our cellulose insulation has been treated with inorganic
salts to provide pest and fire resistance. It is specifically for use between
joists in lofts and under suspended floors. Cost per m2 at 100mm is about £3.80
plus carriage.
Click
here for Cellulose Fibre technical sheet.
| QUANTITY |
PRICE / BAG |
Cost
per m³ |
| 8kg |
£10.50 |
circa
£47.25 |
Hemp
Insulation
Hemp insulation is a natural fibre insulation material made
from hemp fibres. It is thermally effecient having a thermal resistance of 0.040Wm/K.
Manufactured from Hemp, this product offers a good environmentally friendly option.
Sold in batts, the cubic metre rate equates to approximately £85. Cost
per m2 at 100mm is about £8.43 plus carriage.
Click here for Hemp
Fibre information sheet
| Product |
Thickness
(mm) |
Widths (mm) |
Lengths (MM) |
Packing | Coverage |
Price
per pack |
| Batts | 50 | 385 | 1,200 | 12 / pack | 5.5m2 | £34.37 |
| Batts | 50 | 575 | 1,200 | 12 / pack | 8.3m2 | £51.34 |
| Batts | 75 | 385 | 1,200 | 8/pack | 3.7m2 | £33.02 |
| Batts | 75 | 575 | 1,200 | 8/pack | 5.5m2 | £49.32 |
| Batts | 100 | 385 | 1,200 | 6 / pack | 2.77m2 | £29.86 |
| Batts | 100 | 575 | 1,200 | 6 / pack | 4.14m2 |
£44.60 |
| Batts | 140 | 385 | 1,200 | 4/ pack | 1.85m2 | £27.71 |
| Batts | 140 | 575 | 1,200 | 4/ pack | 2.76m2 |
£41.38 |
Wood
Fibre Boards - General
Wood fibre boards are rigid building boards made from reprocessed offcuts with
added formaldehyde.
Pavatherm
Thermal Board
Used internally for thermal and acoustic natural insulation on floors walls and
ceilings. Made from wood pulp, no adhesives are used in the manufacturing process.
| DIMENSIONS
mm | PRICE |
| 20
x 1020 x 600 | £3.01 |
| 30
x 1020 x 600 | £4.39 |
| 40
x 1020 x 600 | £5.86 |
| 60
x 1020 x 600 | £8.76 |
| 80
x 1020 x 600 | £11.84 |
| 90
x 1020 x 600 | £13.74 |
| 100
x 1020 x 600 | £15.25 |
| 80
x 2050 x 800 | £30.16 |
| 40
x 2050 x 1200 | £23.51 |
| 60
x 2050 x 1200 | £35.15 |
| DIMENSIONS
mm | PRICE |
| 40
x 1020 x 600 | £7.90 |
| 60
x 1020 x 600 | £11.83 |
| DIMENSIONS
mm | PRICE |
| 22
x 2500 x 770 | £17.53 |
| 35
x 2500 x 770 | £28.67 |
| 60
x 2500 x 770 | £48.76 |
External
Insulation Board - Unger diffutherm
These can be used against a solid background or over studs and joists when protected
with a lime or earth plaster.
| DIMENSIONS
mm | PRICE |
| 60
x 1300 x 790 | £21.63 |
| 80
x 1300 x 790 | £28.92 |
| 100
x 1300 x 790 | £35.80 |
| DIMENSIONS
| PRICE |
| Roll
- 15cm x 15m | £56.46 |
![]() Click to view larger image |
Click here for technical sheet
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Strawboard
Click here for
brochure1 brochure2
Environmental Spec.
Designed
to offer a viable alternative to plasterboard - which has now been redefined as
a potentially hazardous material - Invotek Strawboard is derived from a sustainable
source and is both biodegradable and easily recycled.
Non-loadbearing
breathable boards with no off-gasing |
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![]() Click to view larger image | Reed / lath alternative Click here for technical sheet
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Glass
fibre scrim
For reinforcing plasters.
| QUANTITY |
PRICE |
| ROLL
-100m x 8cm | £13.00 |
| QUANTITY |
PRICE |
| 25kg |
£262.50 |
![]() Click to view larger image | ![]() Click to view larger image | ![]() Click to view larger image |
These are suitable for the repair and rebuilding of earth buildings. We supply
two types - compressed and extruded. The compressed cob blocks more closely match
the original composition of the sub-soil used for cob buildings, the extruded
cob blocks are slightly smaller and a bit cheaper! |
|
TYPE |
NOMINAL
SIZE | PALLETTED
PRICE delivered ex works + cost of delivery |
PALLETTED
PRICE collected from us | INDIVIDUAL
PRICE per block |
| Extruded
cob block | 17.5"
x 8.5" x 4" | £1.35
in pallets of 64 | £1.45
in pallets of 64 | £1.50 |
| Compressed
cob block | 17.5"
x 9" x 4" | £1.70
in pallets of 50 | £1.80
in pallets of 50 | £1.90 |
| Compressed
cob brick | 8"
x 4" x 2.5" | - |
- |
85p |
Oak
Lintels
We stock are wide range of seasoned oak lintels that have been
air dried for up to 8 years. Standard sizes are 4" x3", 6" x 4", 8" x 5" and 12"
x 5" in a variety of lengths up to 7ft. We can also supply green oak cut to your
specific requirements.
Formula to calculate volume:- (inches
x inches) x length (feet) / 144 = volume in cu. ft
| QUANTITY |
STANDARD
PRICE |
| per
cubic foot | £30.00 |
![]() Click to view larger image | We stock over 100,000 feet of lath and battens. Riven/hand split lath is cut with the grain and is less flexible than sawn lath and offers a coarser surface for lime plasters to adhere to, making it more suitable for ceiling repairs. The key to the riven surface is then an additional grip to that formed by squeezing the lime plaster through the gaps between the laths. Riven Chestnut lath is a little more flexible than riven oak lath and can therefore be used for following contours or undulations a little better if needed. Sawn larch lath is a good quality wood that is the most flexible, particularly useful for longer lengths that need to follow old walls that have 'charactor'.
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