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Decking

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Key Advantages

  • Achieve thresholds as low as 37mm
  • Long-lasting, attractive decking suitable for the British climate
  • Durable hardwood – lasts over 15 years
  • No specialist carpentry required
  • Pre-formed tiles – easy to cut for detailing
  • No joists required – avoid damage to your membrane

 

 

An image of a decking installation taking place

Ideal for ultra-low thresholds

  • Our tiles are just 30mm in height which means combined with our 7mm fixed height pedestal you can deck up to a threshold as low as 37mm
  • Traditional decking methods using timber joists, even if suspended on a super-low support pad, will only allow you to deck up to a threshold of 130mm or higher

 

 

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Just like laying slabs

  • Uniform size and space between decking
  • Unsightly items such as drainage outlets, cables and pipes are hidden beneath the tiles
  • Tile weight holds them in place
  • No need to fix anything to the deck
  • Futureproofed: take up a tile to inspect your deck with minimal disruption
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Superior timber quality

  • Ultra-hard and dense
  • Long-lasting
  • Resistant to moisture ingress and rotting
  • Smooth grains that are unlikely to splinter or scratch on the surface
  • Resistant to insect and mildew damage
  • Strong and weight bearing
Detailing

Detailing

  • Tiles can be cut into shapes to fit around details and corners in a similar way to concrete slabs
  • This helps achieve clean finishes to the edges of terraces
  • Light fittings can also be fitted into the tiles
  • We select superior timber so the grain is smooth and uniform, making sawing and drilling straightforward

 

Note: due to the density of the timber, mechanical sawing and drilling is essential. We recommend that carbide tipped saw blades be used when cutting the tiles. Saw blades will blunt quickly. We also recommend pre-drilling holes before screwing into the wood to avoid splitting.

Border planks

Border planks

These are available in the same type of timber as the tiles.

  • The edge of the tiled area can be secured by fixing the border planks to the sides of the tiles with screws
  • The tiles are held in place and prevented from moving, and the area is finished off neatly
  • Planks are available in a number of different sizes, with both square and rounded edges, depending on the preference

 

Wallbarn has a great deal of experience with roof deck finishes and support systems, and has supplied hardwood timber decking tiles for a wide variety of installations, from small roof terraces on domestic projects up to largescale walkways and public areas in a number of different species of timber. See some of the projects we have supplied below.

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We supply two types of timber tile, Ipe and Cumaru, species sourced from South America and chosen for their beauty and durability:

Ipe (Brazil) is one of the toughest most durable woods available.

It has a greenish brown appearance and because of its tight grain is popular for its high resistance to mildew, termites and rotting. It is very low maintenance and is used extensively in marine and exterior construction due to its resistance to water. It dries very well and becomes extremely hard, which means it has to be pre-drilled and cut with a mechanical saw. It carries a Class A fire rating and will last well over 25 years. It is nicknamed “ironwood”.

Cumaru (Brazil) is another hardwearing timber.

It is similar to ipe but has a rich chestnut colour. It has very good strength and rot-resistant properties. Ideal for clients who favour a lighter-coloured wood finish.

Physical properties

Raw materialIPE   CUMARU   
botanical nameTabebuia sppDipteryx spp.
average mass density1,092 Kg/m31,021 Kg/m3
dimensional stability (UNI 11538-1) (**)Class C. Recommended minimum slenderness coefficient 1/6Class C.
average Monnin hardness (*)14.6013.10
damp climate deformationstype deformationvalues detectedreference values (UNI 11538-1)outcometype deformationvalues detectedreference values (UNI 11538-1)outcome
bow0.14%< 1% on widthPASSbow0.09%< 1% on widthPASS
spring0.08 mm/m< 2 mm/mPASSspring0.48 mm/m< 2 mm/mPASS
twist1.6 mm/m< 2 mm/mPASStwist1.08 mm/m< 2 mm/mPASS
dry climate deformationstype deformationvalues detectedreference values (UNI 11538-1)outcometype deformationvalues detectedreference values (UNI 11538-1)outcome
bow0.30%< 1% on widthPASSbow0.11%< 1% on widthPASS
spring0.36 mm/m< 2 mm/mPASSspring0.60 mm/m< 2 mm/mPASS
twist2.96 mm/m< 2 mm/mFAILtwist3.24 mm/m< 2 mm/mFAIL
moisturetype deformationvalues detectedreference values (UNI 11538-1)outcometype deformationvalues detectedreference values (UNI 11538-1)outcome
bow13.90%<18%PASSbow12.10%<18%PASS
spring15.80%<18%PASSspring13.90%<18%PASS
twist8.40%<18%PASStwist7.90%<18%PASS

Mechanical properties

Raw materialIPE CUMARU
average bending strength191 Mpa190 MPa
average bending strength after freeze/thaw cyclesuntreated wood149 Mpa166 Mpa
oiled wood184 Mpa
average bending strength after freeze-icing cyclesuntreated wood205 Mpa141 Mpa
oiled wood217 Mpa
average bending strength after heat-rain and heat-cold cyclesuntreated wood182 Mpa173 Mpa
oiled wood194 Mpa
average modulus of elasticity21,114 Mpa 20,997 Mpa
average crushing strength95 Mpa103 Mpa
stiletto heel impression (UNI 4712)value - 0.04 mmPASS

Natural durability (UNI EN 335, UNI EN 350)

Raw materialIPECUMARU
fungi (*)very durable - class 1very durable - class 1
dry wood borers (*)durable - class Ddurable - class D
termites (*)durable - class Ddurable - class D
treatability (*)not permeable - class 4not permeable - class 4
use class (*)outside in contact with the ground and/or fresh water - class 4outside in contact with the ground and/or fresh water - class 4
use in marine environmentsclass 5 (*)

Properties by conditions of use (IPE)

BCRA slipperiness (Min.Decree 236/89, Pres. Decree 503/96)conditionsdirectionvalues detected untreatedvalues detected oiledreference
values
outcome
rubber pad wet surfaceparallel0.670.69> 0.40PASS
perpendicular0.780.82> 0.40PASS
rubber pad dry surfaceparallel0.730.72> 0.40PASS
perpendicular0.780.76> 0.40PASS
leather pad dry surfaceparallel0.420.52> 0.40PASS
perpendicular0.430.51> 0.40PASS
grade R slipperiness (DIN 51130)R10
grade A+B+C slipperiness (DIN 51097)A+B+C
fire reaction (UNI EN ISO 9239, UNI EN ISO 11925-2, UNI EN 13501-1)Cfl-s1

Properties by conditions of use (Cumaru)

BCRA slipperiness (Min.Decree 236/89, Pres. Decree 503/96)conditionsdirectionvalues detectedreference
values
outcome
rubber pad wet surfaceparallel0.72> 0.40PASS
perpendicular0.81> 0.40PASS
rubber pad dry surfaceparallel0.65> 0.40PASS
perpendicular0.7> 0.40PASS
leather pad dry surfaceparallel0.38> 0.40FAIL
perpendicular0.47> 0.40PASS

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