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Type 2 (SHW 804) - Blended Sub-base Material
What is Type 2 Sub-base? Specification-Grade Foundation Material
Type 2 sub-base (SHW 804) is a professionally blended limestone aggregate combining Type 1 material with scalpings to create a versatile foundation product. Conforming to BS EN 13285 standards, this sub-base provides reliable support for pathways and lighter-duty driveways, offering a middle ground between premium Type 1 and economical scalpings.
Technical Specifications:
- Standard: SHW Clause 804 compliant
- Grading: Blended 0-40mm aggregate
- Composition: Type 1 + selected scalpings
- Certification: BS EN 13285 unbound mixtures
When to Choose Type 2 Over Other Sub-bases
Type 2 vs Type 1:
- Type 2: More economical for light-duty applications
- Type 1: Superior for heavy traffic and commercial use
- Cost Difference: Type 2 typically 15-20% less expensive
Type 2 vs Scalpings:
- Type 2: Certified specification material
- Scalpings: Budget option without certification
- Performance: Type 2 offers guaranteed consistency
Applications for Type 2
Recommended Uses:
- Residential Pathways - Ideal for foot traffic areas
- Light-Use Driveways - Suitable for cars (not HGVs)
- Patio Bases - Stable foundation for paving
- Garden Buildings - Shed and greenhouse bases
- Temporary Access Roads - Construction site tracks
Not Recommended For:
- Heavy commercial traffic
- Areas requiring Type 1 specification
- Critical drainage applications
Coverage & Ordering Information
- Compaction Rate: 2.2 tonnes per m³ (compacted)
- Coverage: 100mm depth = 0.22 tonnes per m²
- Minimum Order: 200 tonnes (Not regularly available locally we recommend Type 1)
- Bulk Loads: Available for delivery in 20 tonne loads for major projects
Delivery Options Throughout Thames Valley
- Small Loads: Perfect for DIY projects and repairs
- Bulk Delivery: Cost-effective for larger construction sites
- Coverage Areas: Thatcham, Newbury, Reading, and all surrounding Berkshire villages
- Same-Day Delivery: Available for urgent requirements (subject to availability)