High performance permeable bedding mortar to BS 7533-7: 2010 Type B SuDS and BS 7533-101:2021, Table 9, Type 35.
Suitable for use as a bedding course for bound construction SuDs pavements.
A fully permeable, high performance bedding mortar, formulated for use as the bedding (laying course) for bound construction (rigid) SuDS permeable pavements composed of natural stone or concrete paving elements.
Features and benefits:
This product has a low-carbon manufacturing profile and is completely free from polymer and resin additives.
Cementitious hydraulically bonding mortar containing crushed igneous rock
Bedding depth - 25–70 mm
tuffbau Ltd warrants that the bagged product components will meet the specified performance criteria at production
M10/120 Fine concrete levelling screeds
M10/130 Proprietary quick drying levelling screeds
M10/180 Concrete wearing screeds (granolithic)
M10/195 Proprietary screeds to BS EN 13813
M10/7 Proprietary quick drying levelling screeds
Q24/10 Conventional concrete block paving
Q24/112 Conventional concrete block paving with bound base
Q24/122 Conventional clay paver paving with bound base
Q24/130 Natural stone sett paving
Q24/132 Natural stone sett paving with bound base
Q24/133 Natural stone sett paving overlay
Q24/30 Mortar bedded
Q24/385 Mortar bedded
Q25/110 Natural stone slab paving system
Q25/115 Natural stone slab paving overlay system
Q25/120 Concrete flag paving system
Q25/125 Concrete flag paving overlay system
Q25/130 Rigid brick paving system
Q25/135 Rigid brick paving overlay system
Q25/140 Natural stone sett paving system
Q25/145 Natural stone sett overlay paving system
Q25/150 Concrete sett paving system
Q25/155 Concrete sett paving overlay system
Q25/160 Natural stone cobble paving system
Q25/165 Natural stone cobble overlay paving system
Q25/26 Natural stone slab paving system
Q25/31 Concrete flag paving system
BS 7533-4:2006, BS 7533-7:2010, BS 7533-10: 2010, BS 7533-12:2006, EN 13813:2002.
Classification - BS 7533-7: 2010 C.2.1 and table C4 Type A and Type B compliant.
Classification - BS 7533-7: 2010 C.2.1 and table C4 Type B compliant.
Two part product, binder and mortar.
Wet mix, 150 mm slump.
tuffbed 2-Pack High Performance SuDS Permeable Bedding Mortar
Typical compressive strength
14 days at 20°C: ~25 N/mm²; 28 days at 20°C: ~35 N/mm².
~1 N/mm² (without tuffbond): ~2 N/mm² (with tuffbond).
F4 (4.5–7.0 N/mm²).
Modulus of elasticity
14 000–18 000 N/mm² (application-dependent).
Permeability (to EN 12697-19)
~18.8 x 10^-4 m/s.
Reaction to fire
Adhesive strength designation
2 N/mm² with tuffbond brush applied to underside of paving elements.
2 N/mm² with tuffbond brush applied to underside of paving elements and to surface of concrete base or structural slab.
Horizontal permeability = 8.5 x 10^-4 m/s (to EN 12697-19).
Required where base is impermeable concrete base.
Vertical permeability = 18.8 x 10^-4 m/s (to EN 12697-19).
Required where the base is permeable; DOT type 3, porous macadam, porous concrete or proprietary geo-cells.