Multi Waste
Applications: Commercial, Technical & Service Zones
Collective housing and hotels with centralized waste routing
Healthcare and labs with intelligent control systems for pressure and flow
Offices and tertiary buildings using drywalls or technical voids
Waste collection points connected to pumps or safety disposal can units
Installations requiring quick disconnect containers or solvent lines
Multi-Waste System: Compact Manifold for Efficient Waste Collection and Control
Pam Building’s multi-inlet waste manifold is a robust cast iron solution designed to collect items of wastewater from multiple sources into a single discharge line. Ideal for technical ducts, service floors, and industrial buildings, this system integrates seamlessly into pressure-balanced drainage systems while saving space and simplifying maintenance.
Made of 99% recycled cast iron, it meets the needs of high-performance environments where safety, durability, and intelligent control are essential.
Looking for a solution that combines compact design with fire safety and acoustic comfort? Discover our cast iron drainage system
What Is a Waste Manifold System?
A waste manifold consolidates discharge from up to four appliances into one outlet, reducing the number of fittings, branch lines, and vertical risers. These manifolds are especially useful in installations requiring quick connections, minimal tubing, and reduced maintenance.
In industrial and laboratory settings, polypropylene or solvent waste manifolds may be used for chemical resistance. Pam Building’s cast iron solution targets building-scale drainage where long-term durability and vacuum stability are key.
Multi-Waste System: Compact Manifold for Efficient Waste Collection and Control
Pam Building’s multi-inlet waste manifold is a robust cast iron solution designed to collect items of wastewater from multiple sources into a single discharge line. Ideal for technical ducts, service floors, and industrial buildings, this system integrates seamlessly into pressure-balanced drainage systems while saving space and simplifying maintenance.
Made of 99% recycled cast iron, it meets the needs of high-performance environments where safety, durability, and intelligent control are essential.
Looking for a solution that combines compact design with fire safety and acoustic comfort? Discover our cast iron drainage system
What Is a Waste Manifold System?
A waste manifold consolidates discharge from up to four appliances into one outlet, reducing the number of fittings, branch lines, and vertical risers. These manifolds are especially useful in installations requiring quick connections, minimal tubing, and reduced maintenance.
In industrial and laboratory settings, polypropylene or solvent waste manifolds may be used for chemical resistance. Pam Building’s cast iron solution targets building-scale drainage where long-term durability and vacuum stability are key.
Comparison: Multi-Waste Manifold vs Traditional Solutions
| Criteria | Pam Multi-Waste Manifold | Conventional Plumbing |
|---|---|---|
| Number of items collected | Up to 4 per unit | One per branch |
| Space usage | Low – behind panels or containers | High – bulky underfloor layouts |
| Fittings and tubing | Compact, direct | Multiple elbows and tees |
| System pressure control | Stable (cast iron / vacuum integrity) | Variable |
| Acoustic/fire rating | Excellent (Euroclass A1) | Limited with plastic |
Environmental Compliance and Safety
Fixing instructions
- Cut the appropriate groove for 32 mm or 38 mm waste connections (100 mm manifold only), remove the grommet and tear out the centre disk where required.
- Apply an appropriate silicone grease (not provided) to the outside of the grommet and re-fit into the manifold ensuring the retaining groove of the grommet is located correctly in the casing.
- Lubricate the pipe ends and insert into the grommet with a rotational movement. Pipe ends may be chamfered for ease of insertion.
- Any grommet not fitted with a waste pipe must also follow instruction 2 above.
Fixing instructions
- Cut the appropriate groove for 32 mm or 38 mm waste connections (100 mm manifold only), remove the grommet and tear out the centre disk where required.
- Apply an appropriate silicone grease (not provided) to the outside of the grommet and re-fit into the manifold ensuring the retaining groove of the grommet is located correctly in the casing.
- Lubricate the pipe ends and insert into the grommet with a rotational movement. Pipe ends may be chamfered for ease of insertion.
- Any grommet not fitted with a waste pipe must also follow instruction 2 above.
New multi-waste manifold
Developed to meet the requirements of low waste connections such as walk-in showers or when space is limited.
Benefits
- Minimum core holes required saving costs.
- Long tail spigot that can eliminate the need to have a joint in the slab.
- All six inlets can be used at the same time.
Features
- Available in 100 and 150 mm.
- Six boss pipes
- Supplied with five blanking plugs.
- Internal baffle to eliminate cross flow.
- Long tail spigot to penetrate the floor slab.
New multi-waste manifold
Developed to meet the requirements of low waste connections such as walk-in showers or when space is limited.
Benefits
- Minimum core holes required saving costs.
- Long tail spigot that can eliminate the need to have a joint in the slab.
- All six inlets can be used at the same time.
Features
- Available in 100 and 150 mm.
- Six boss pipes
- Supplied with five blanking plugs.
- Internal baffle to eliminate cross flow.
- Long tail spigot to penetrate the floor slab.
Tel. +33 (0) 3 66 74 00 89
Frequently Asked Questions (FAQ)
1. Can this system be used in industrial environments with chemical waste?
No. While Pam Building’s solution is for standard wastewater, polypropylene manifold or solvent waste manifolds are better suited for aggressive fluids.
2. What’s included in the accessory kit?
Our kits include sealing gaskets, mechanical brackets, fittings, adapters, and support blocks.
3. Can I skip vertical risers using this system?
Yes—by combining 2 to 4 appliances into a manifold, you reduce vertical drops and save shaft space.
4. Is this system available for download in CAD?
Yes, BIM downloads are available in multiple formats, including Revit, DWG, and PDF.
5. What’s the advantage of cast iron vs PVC for waste manifolds?
Cast iron provides better pressure tolerance, fire resistance, long-term strength, and no thermal expansion.