BINDERHOLZ CLT BBS | TECHNICAL DATA CLT BBS 125 | CLT BBS 120 | CLT BBS 4ft CLT BBS XL Composition Cross laminated timber | 3 and 5 layers Cross laminated timber | 3 and 5 layers Format System format Large format Width | Length 1,25 m | up to 20 m (BBS 125), 1,20 m | up to 20 m (BBS 120) 1,219 m | up to 20 m (BBS 4ft)* maximum 3,50 m | up to 16 m resp. up to 20 m on request Strength 60 to 280 mm 60 to 280 mm Moisture content 11% +/- 2% on delivery CLT BBS dead load 480 kg/m³ Slats Thickness 20, 30 or 40 mm | Softwood, kiln dried, quality sorted Quality of Top layer Classification according to DIN EN 13017-1 AB - Residential visible quality as a single-layer panel | BC - Industrial visible quality as a single-layer panel C - Non-visible quality Top layer Cover layer longitudinally (DL) sanded or brushed as a single-layer panel wood species: spruce Cover layer longitudinal (DL) as single-layer panel (finger jointed lamellas) | cover layer transverse (DQ) sanded as a single-layer panel wood species: spruce, pine Cover layer longitudinal (DL) sanded or brushed as a single-layer panel wood species: spruce Cover layer longitudinal (DL) as a single-layer panel (finger jointed lamellas) | Cover layer transverse (DQ) sanded as a single-layer panel wood species: spruce Cover layer longitudinal (DL) planed as a single-layer panel, wood species: coniferous wood Cover layer longitudinal (DL) | Cover layer transverse (DQ) planed, wood species: coniferous wood Finger jointing General finger joint Slats partially finger joint Clearing widths 0,625 and 1,25 m (BBS 125), 0,600 and 1,20 m (BBS 120) 0,610 and 1,22 m (BBS 4ft) 2,20 | 2,40 | 2,45 | 2,50 | 2,60 | 2,75 | 2,85 | 2,95 | 3,20 | 3,50 m Machining CNC processing possible Longitudinal margins Bonding CLT BBS surface and general finger joint 1K-PUR according to EN 15425 + EN 14080:2013, formaldehyde-free bonding, narrow side bonding of the cover layers (MUF, PVAc and Hotmelt) Shape change On panel level: 0.01% shape change per % change of humidity Right angle to panel level: 0.24% per % change in humidity Thermal insulation Thermal conductivity according to EN ISO 10456: lR = 0.12 W/mk | specific heat capacity c = 1600 J/kgK U-values for construction superstructures: see binderholz Solid Wood Construction Manual Soundproofing High sound insulation capability due to solid construction | Expert opinion on request See binderholz Solid Wood Construction Manual Fire protection According to EN 13501: D, s2, d0 | Expert opinion for REI 30 - 120 as well as classification reports and ABPs on request Tested burning rates at 90 minutes fire duration: walls 0.75 mm/min, ceilings 0.90 mm/min Fire protection coating (surface B-s1, d0 according to EN 13501-1) on request Diffusion resistance Without diffusion barrier, with vapour retarder | μ = 40 - 70 (depending on wood moisture and number of glue joints) Airtightness Airtight from 3-layer composition, expert opinion on request Usage classes Approved for use classes 1 or 2 in accordance with EN 1995-1-1 Impregnations Impregnation Class 2 for protection against fungal and insect infestation according to DIN 68800, CTB P+ certificate Approvals European Technical Approval ETA-06/0009 | CE marking French DTA approval 3.3/19-1007_V2 | US approval ICC-ES ESR-4081 according to ANSI/APA PRG-320-2019 1,25 m 20 m 20 m 3,50 m Residential visible AB Industrial visible BC Non-visible C Special profiles on request Data in mm *USA unit of measurement 'foot' 56 56 56 56 from 160 mm from 180 mm from 60 mm from 100 mm
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