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SMARTPLY SURE STEP DB

SMARTPLY SURE STEP DB

SMARTPLY SURE STEP DB is a high-performance OSB flooring panel with an integrated vapour control layer and reduced-slip surface coating. Developed for modern timber frame construction, it combines structural strength, improved site safety and enhanced acoustic performance.

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Specification and sizes

SMARTPLY SURE STEP DB is available in a range of sizes and thicknesses. Other sizes available on request.

Finish	Thickness
2397 x 1200mm TG2	18mm, 22mm

Applications

Person's legs visible through opening in wooden floor joists above green subflooring, with orange ladder positioned diagonally.

Airtightness

SMARTPLY SURE STEP DB supports airtight building design by helping control air and vapour movement at floor level. Its integrated vapour control layer contributes to the performance of the building envelope when correctly detailed.

Supports Airtight Floor Systems

Helps reduce uncontrolled air leakage through floor structures as part of a continuous airtight layer.

Integrated Vapour Control Layer

Factory-applied layer assists in managing vapour movement, reducing the risk of condensation within the floor build-up.

Low Energy Building Applications

Suitable for timber frame and offsite construction where airtightness and moisture control are essential for overall building performance.

FAQs

Does it come in any other colours?

SMARTPLY SURE STEP DB is only manufactured in a grey colour.

What is the substrate panel?

SMARTPLY SURE STEP is manufactured from OSB/3 panels.

Is the product tongue and grooved?

SMARTPLY SURE STEP DB is available in Tongue and Groove panels only to ensure that the full performance of SMARTPLY OSB panels when used in flooring or decking.

How long can it be exposed to weather for?

SMARTPLY SURE STEP DB has been independently tested for durability performance. Results of standing water tests showed that when subjected to still water for up to 45 days only minor damage with cracking of the coating was observed. When installed as per SMARTPLY recommendations and best practices it is expected that SMARTPLY SURE STEP DB can be exposed for up to 45 days and show only minor and inconsequential deformation of the panel surface.

How does it compare to chipboard flooring for acoustic/sound proofing?

SMARTPLY SURE STEP DB has been tested by a UKAS-accredited laboratory to meet the Building Regulations Part E, in England, Wales and the Technical Booklet G in Northern Ireland, of 40dB acoustic sound rating. This means the panel can be installed as the internal flooring in single dwellings.

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