Sandblasting Hall by SAPI
Custom-Built
or Ready to Go - CORE.

Custom sandblasting halls from 3 to 100 meters — or as a pre-configured CORE system in three proven sizes. Turnkey with filter technology, abrasive recovery, lighting and controls.

Choose Your Sandblasting Hall

Two distinct options — same SAPI quality.
Pick a fully custom-engineered hall or a pre-configured turnkey system.

Option 1 · Custom

Custom Sandblasting Hall

Fully individual. Any size from 3 to 100 meters. Every component configurable to your exact requirements.

3–100m length • Free configuration • Individual project planning

Option 2 · CORE

CORE Sandblasting Hall

Pre-configured and ready to go. Three proven sizes — turnkey, complete, field-tested in over 89 projects.

CORE I • CORE II • CORE III • No planning needed

What is a Sandblasting Hall?

A sandblasting hall is a walk-in room for blast-cleaning parts that won’t fit into a sandblasting cabinet — ship hulls, wind-tower sections, rail carriages, storage tanks and structural steel. An operator works inside wearing protective gear, blasting the surface clean with a high-pressure stream of abrasive.

The room is sealed and ventilated so dust stays inside and the operator keeps breathing clean air. Spent abrasive falls through the floor, gets cleaned automatically, and goes back to the blast pot for the next cycle. Compared with blasting outdoors, you get far more consistent surface preparation — Sa 2½ or Sa 3 per ISO 8501-1 — much lower abrasive consumption, and a setup that actually passes European occupational-health and environmental rules.

Every SAPI hall is built from four subsystems that have to work together: the building envelope (sandwich panels, gates, maintenance doors), dust extraction and filtration, abrasive recovery and processing, and the blasting gear itself. We build the complete sandblasting hall as one turnkey solution, in sizes from compact 3-metre workshop units up to 100-metre shipyard facilities.

How a SAPI Sandblasting Hall Works

A SAPI sandblasting hall is a closed-loop surface-preparation system. Every workflow follows the same five stages:

Load & position. The workpiece is rolled in on a transport trolley, rail system or forklift through a 2-wing, 4-wing or sliding gate.
Blast. The operator enters in full PPE with breathing-air supply and blasts with a SAPI MAMMUT pressure pot (100 L or 200 L) through a boron-carbide Venturi nozzle at 6–8 bar working pressure.
Extract & filter. Cross-draft ventilation pulls dust-laden air through a cartridge filter (900–9 000 m³/h) or a high-performance filter (15 000–40 000 m³/h) with reverse-pulse cleaning. Clean air is discharged or recirculated 80/20 to save heating energy.
Recover & reuse. Spent abrasive falls through the floor grating into longitudinal and cross conveyors, is lifted by a bucket elevator, cleaned of fines in an abrasive separator (with optional magnetic ferrous separator), and returned to a storage silo ready for the next blast cycle.
Exit. The operator leaves the hall, residual dust settles, and the workpiece is delivered coating-ready to the downstream paint shop — typically within minutes, not hours.

Because every subsystem is SAPI-engineered and dimensioned to the same hall volume, filter capacity, recovery throughput and compressed-air supply stay balanced at every operating point — no bottlenecks, no guesswork.

Custom Sandblasting Hall

Every SAPI sandblasting hall is individually planned and manufactured to your requirements. From the building envelope to filter technology and abrasive recovery to complete electrical installation — everything from one source, everything perfectly coordinated.

Freely configurable dimensions:

Length: 3 – 100 meters
Width: 2 – 20 meters
Height: 2.5 – 15 meters

“Whether compact workshop hall or large industrial facility — we build in any size.”

Hall Construction

60mm sandwich panels with PU foam core
Double-sided galvanized and painted steel cladding
Corner brackets, cover caps, U-profiles and circumferential seals
Optional rubber lining inside — protects panels from abrasive wear

Gates & Doors and Celling openings

Gate systems (3 variants):

2-wing gate — standard, proven design
4-wing gate — for wide openings and heavy workpieces
Sliding gate — space-saving, ideal for tight spaces

Doors: Emergency doors with/without viewing window, maintenance doors in multiple sizes.

Filter Technology & Dust Extraction

The filter system is dimensioned to match the hall volume.

Cartridge Filters — for small to medium halls:

Available in multiple capacities
Capacity: 900 m³/h to 9,000 m³/h
1 to 12 filter cartridges

High-Performance Filters — for large industrial halls:

Available in multiple capacities
Capacity: 15,000 m³/h to 40,000 m³/h
Up to 24 filter cartridges
Multiple filter units for very large halls

Additional filter options:

Impact pre-separator — extends filter service life
Post-filter EU6 — for fine dust separation
Cyclone pre-separator — coarse separation before main filter
Recirculation 80/20 — 80% filtered air is recirculated, saves energy

Abrasive Recovery System

The heart of the system — automatic recovery, cleaning and reuse of blasting media.

Conveyor systems:

Longitudinal conveyors — across the entire hall length
Cross conveyors — across the hall width
Heavy-duty variants for intensive continuous operation

Recovery modes:

Fully automatic conveyor system (standard)
Semi-automatic (cross conveyor + manual sweeping)
Elevator recovery (recessed floor with slope)
Manual recovery (sweeping system)

Processing & Storage:

Bucket elevators for vertical transport
Abrasive cleaner — separates reusable material from dust
Abrasive silos from 200 liters to 4,000 liters
Magnetic separator for ferrous metal extraction (optional)
Maintenance platform with ladder and safety devices

Blasting Equipment

Every hall is equipped with SAPI MAMMUT pressure blasting units — powerful pressure vessels with patented safety technology.

Pressure vessels: 100L or 200L
SAPI Safety Quick-Stop (pneumatic pinch valve)
Blast hoses: 10m to 40m length
Boron carbide Venturi nozzles
Complete protective equipment: blast helmet, protective suit, gloves, breathing air filter
Water separator and pressure regulator

Electrical System & Lighting

Control cabinet with PLC — dimensioned to total system power
LED hall lighting — up to 20+ luminaires, quantity-graduated
Emergency lighting (optional)
Complete cabling and installation material

Optional Equipment:

Rail system — for transport trolleys and workpiece positioning
Transport trolley — from 1t to 8t load capacity
Rotating basket — for bulk goods and small parts
Swing curtain — dust protection curtain for area separation
Pneumatic ceiling slides — controllable openings
Grating — walkable floor over the conveyor system

Need a Custom Sandblasting Hall?

Tell us your requirements. Our engineering team will design your individual sandblasting hall — any size, any configuration.

ALTERNATIVELY

CORE Sandblasting Hall.
Ready When You Are.

Not every project requires individual planning. The SAPI CORE line offers three proven hall configurations — fully equipped, perfectly coordinated and ready to order. Developed from over 89 completed projects.

CORE I
5.9 × 3.5 × 3.2 m
3,000 m³/h

CORE II
7.0 × 3.5 × 3.2 m
6,000 m³/h

CORE III
7.0 × 4.2 × 3.2 m
6,000 m³/h

Custom vs. CORE — Which Solution Fits?

	Custom Sandblasting Hall	CCORE Sandblasting Hall
Dimensions	3–100m, freely configurable	3 fixed sizes
Configuration	Every detail selectable	Proven standard configuration
Planning	Individual project planning	No planning needed
Delivery Time	Project-dependent	Shorter (standardized production)
Filter Technology	Cartridge / High-performance	cartridge
Recovery	6 modes selectable	Fully automatic (fixed)
Extensions	Unlimited	Selected option packages
Ideal For	Large facilities, special requirements	Quick start, proven solution

MAMMUT Blasting Equipment

Every SAPI sandblasting hall is equipped with our own MAMMUT pressure blasting technology. The MAMMUT series is also available separately.

Pressure vessels from 25L to 200L
SAPI Safety Quick-Stop — instant blast stop via pinch valve
4 product lines: Safety, Standard, Low-Pressure (fine blasting), Pressure-Regulated
Blast hoses: 25mm and 32mm, 10m to 40m
Boron carbide Venturi nozzles: 6mm to 12mm
Complete protective equipment: helmets, masks, breathing air, suits, gloves

Industries We Equip

SAPI blast rooms work every day on shop floors from Europe to the CIS, the Middle East and Asia. Customers come from industries including:

Steel & metal fabrication — beams, plates, tanks, pressure vessels, welded assemblies, heavy structural components
Shipbuilding & marine — hull sections, deck plates, ballast tanks, offshore platforms, yacht refurbishment
Rail & rolling stock — locomotive bodies, freight wagons, passenger carriages, bogies, freight containers
Wind energy — tower segments, monopile sections, nacelle frames, transition pieces
Bridge & infrastructure — girders, pylons, hydraulic steel structures, barriers
Automotive & commercial vehicles — truck chassis, trailers, tank trucks, buses, special vehicles
Aerospace & defence — structural components, armoured vehicle hulls, large castings, landing-gear parts
Oil, gas & chemical — storage tanks, pipelines, process skids, refinery components
Heavy machinery & refurbishment — agricultural, mining and construction equipment, crane booms, rotor blades

If your workpiece is too large for a sandblasting cabinet and you need consistent, coating-ready surface preparation at industrial throughput, a sandblasting hall is the right solution.

Compliance, Safety & Standards

Every SAPI sandblasting hall is built to pass European industrial safety, occupational-health and environmental requirements:

CE marking in accordance with Machinery Directive 2006/42/EC
ATEX conformity (Directive 2014/34/EU) where combustible-dust zoning applies — mandatory for aluminium, magnesium and certain coating dusts
Dust class M or H filter cartridges tested to EN 60335-2-69 — protects operator and environment from fine silica and metal dust
TRGS 559 & TRGS 900 — German technical rules for quartz-containing dust and workplace exposure limits
VDMA mechanical-engineering standards for construction, commissioning and warranty
ISO 8501-1 surface-preparation grades (Sa 2, Sa 2½, Sa 3) consistently achievable across the entire hall
Operator PPE to EN 14594 (breathing apparatus) and EN 166 (eye protection) — helmets, breathing-air filters, suits and gloves supplied as standard

Integrated safety features include emergency-stop circuits on every control node, door-interlocked blast shut-off, the SAPI Safety Quick-Stop pneumatic pinch valve for instant blast-media interruption, anti-static grounding on the abrasive recovery path, and optional spark-detection with automatic extinguishing for halls processing pre-coated or oily workpieces.

Why Choose SAPI

100+ sandblasting halls delivered — from 3-metre workshop units to 100-metre shipyard facilities, shipped to more than 20 countries
Engineering from a single source — mechanical design, electrical design, PLC programming and commissioning handled under one project team, one contract, one warranty contact.
Own product line — MAMMUT pressure pots, filter families, conveyor and bucket-elevator series are SAPI-manufactured. That means faster lead times, guaranteed spare-part availability and a single warranty contact for the life of the facility.
On-site installation & commissioning — SAPI crews travel to the job site and stay until the hall runs to specification.
12-month warranty on single-shift operation (8 h/day) per VDMA conditions; extended warranty packages available on request.
Full life-cycle support — genuine spare parts, wear components, preventive-maintenance contracts and on-site operator training from the same team that built your hall.
Multilingual project management — engineering correspondence, manuals and training in German, English and other European languages.

SAPI Sandblasting Halls Across Europe

From single-station cabins to turnkey CORE systems, SAPI sandblasting halls are operating across Europe.

SAPI sandblasting hall

Frequently Asked Questions

What is the difference between a Custom and a CORE Sandblasting Hall?

A Custom Hall is individually designed to your exact specifications — any size from 3 to 100 meters, with fully configurable components. The CORE Hall is a pre-configured, turnkey system in three standardized sizes, ideal for quick deployment.

What sizes are available for Custom Halls?

Length: 3–100m, Width: 2–20m, Height: 2.5–15m. We build halls for every requirement — from compact workshop solutions to large industrial facilities.

What distinguishes CORE I, CORE II and CORE III?

CORE I (5.9m) is the most compact version with a cartridge filter (3,000 m³/h). CORE II (7.04 × 3.47m) offers more length with a cartridge filter (6,000 m³/h). CORE III (7.04 × 4.17m) is the largest with additional width, a taller gate (3×4m) and wider conveyors.

What do I need to provide on site?

Compressed air and power supply (400V / 50Hz), a level load-bearing concrete floor, adequately dimensioned supply lines, and storage/transport facilities.

Which blasting media can be used?

All dry, fine-grained, mineral blasting media — corundum, glass beads, steel grit and more.

What filter systems are available?

For Custom Halls: cartridge filters (900–9,000 m³/h) and high-performance filters (15,000–40,000 m³/h). CORE Halls come with integrated cartridge filters. Additional options include pre-separators, post-filters, and recirculation systems.

Does SAPI handle installation?

Yes. Professional assembly by experienced SAPI teams. Worldwide shipping with flexible delivery and installation terms.

What warranty applies?

12 months from delivery for single-shift operation (8h/day), according to VDMA conditions. Wear parts are excluded.

How long does it take to install a sandblasting hall?

A CORE hall is typically installed within 2–3 weeks of delivery. A Custom hall depends on dimensions and equipment — from 3–4 weeks for small workshop halls to 8–12 weeks for large industrial facilities, including electrical commissioning, test blast and operator training.

What compressed-air supply does a sandblasting hall require?

A single operator with a 10 mm boron-carbide Venturi nozzle at 7 bar consumes approximately 10 m³/min of free air. Multi-operator halls scale linearly. SAPI dimensions the recommended compressor, air receiver, dryer and oil-separator skid as part of the project planning.

Can SAPI retrofit or upgrade an existing blast room?

Yes. We regularly retrofit filter systems, abrasive recovery conveyors, blast equipment and PLC control cabinets into existing halls from other manufacturers. A site visit and 3D survey are the usual starting point.

What surface-preparation grade can the hall achieve?

All ISO 8501-1 grades are achievable: Sa 2 (thorough blast cleaning), Sa 2½ (very thorough — the most common standard for industrial coatings) and Sa 3 (white-metal finish). The grade is driven by abrasive type, nozzle pressure and dwell time, not by hall configuration.

How efficient is the abrasive recovery system?

Typical SAPI recovery rates exceed 95 % of reusable media per cycle. Compared with manual sweep-out, automatic recovery dramatically reduces media purchase cost, waste-disposal cost and downtime between workpieces.

Is the hall suitable for lead- or zinc-containing old coatings?

Yes, with the appropriate configuration: class M or H filter cartridges, a post-filter EU6 polishing stage, ATEX-zoned recovery path where required, and full worker PPE with breathing-air supply. SAPI engineers advise on regulatory handling and waste disposal as part of the project planning phase.

Can multiple operators blast simultaneously?

Yes. Large halls support 2–4 blasters working in parallel. The filter capacity, compressed-air supply and abrasive-recovery throughput are dimensioned to the total simultaneous demand during engineering.

What noise levels does a sandblasting hall produce?

Inside the hall: typically 100–115 dB(A) at the nozzle — the operator always wears a blast helmet with integrated hearing protection. Outside the envelope: usually below 80 dB(A) thanks to the 60 mm PU-core sandwich panels, meeting most industrial workplace limits without additional acoustic treatment.