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Patented modular rifle-resistant bunker system

Rubik
PD

Indian Army emblem Made in India logo
Made in India
In collaboration with Indian Army

Interlocking high-density concrete blocks. Up in under seven hours by four soldiers, moved at zero cost, repaired in place.

Under 7 hrsOne PD, start to finish
17 kgPer block, 150 blocks per PD
M80 - M120High performance concrete
5 yearsWarranty
Installation process
00:00hr : min
Creating flat surface
Step 1 of 4 · 30 min
Blocks placed000 / 143

Four soldiers erected one PD using 143 blocks.

Soldier checking a levelled slab
Step 1 · Checking the slab1 / 8
Finished flat concrete surface
Step 1 · Flat surface ready2 / 8
Blocks being stacked in a rectangle
Step 2 · Blocks laid out3 / 8
Walls with door frame in place
Step 2 · Walls and door frame4 / 8
Team fitting the window and filling blocks
Step 3 · Window and filling5 / 8
Walls complete with door fitted
Step 3 · Door fitted6 / 8
Overhead protection going on
Step 4 · Overhead protection7 / 8
Roof layers going on in the mist
Step 4 · Roof layers8 / 8
Key component

One block.
Patented.

High-density concrete blocks for ballistic-resistant walls and controlled firing range structures, engineered for energy absorption and structural stability.

  • Size427 × 254 × 194 mm
  • Weight17 kg
  • ConcreteM80 - M120
  • Design3D interlocking pattern
  • Per PD150 blocks
The real SIFCON block with dimensions marked

The real block. Customizable with tailored infill for added impact resistance.

Protection

Built to
take the hit.

Rifle resistantAssault rifles

Superior protection against assault rifles.

Heavier threatsAMR grade weapons

Advanced protection from AMR grade weapons.

From aboveULPGM and kamikaze

Advanced protection from ULPGM and kamikaze drones, with overhead protection on every PD.

VisionBulletproof window

Integrated for enhanced visibility and protection. Increase or decrease F.O.V and F.O.F.

Step inside

Force protection
in the city.

Urban and semi-urban settings during CI / CT operations.

  • Use as base for ease of operations
  • Size can be altered as per requirement
  • Perfect for vehicle checkpost
  • Command and control centre for operations
  • Protection from inclement and harsh weather
  • Increase or decrease F.O.V and F.O.F
  • Advanced protection from ULPGM and kamikaze
  • Advanced protection from AMR grade weapons
Relocate

Pack it.
Move it.

Re-locate at zero cost

As per new siting considerations. Easy to install and remove.

Repair in-situ

Without any compromise on strength and protection.

No water, no cement

No requirement of water, cement or any other material.

Portable

Ideal for frequent relocation.

RUBIK PD
A finished RUBIK PD with red door and overhead protection
Patented modular rifle-resistant bunker system

Rubik PD

Interlocking high-density concrete blocks. Up in under seven hours by four soldiers, moved at zero cost, repaired in place.

Indian Army emblemMade in India logo
Made in India
In collaboration with Indian Army
Under 7 hrsOne PD, start to finish
17 kgPer block, 150 per PD
M80 - M120High performance concrete
5 yearsWarranty
Request a proposal
Installation process

Built in under 7 hours

Four soldiers erected one PD using 143 blocks. A flat PCC or RCC surface may add time, but it is not required.

1
Creating flat surface30 min
Soldier checking a levelled slab
Checking the slab
Finished flat concrete surface
Flat surface ready
Swipe for the next photo
2
Stacking and locking blocks2 hr 30 min
Blocks being stacked in a rectangle
Blocks laid out
Walls with door frame in place
Walls and door frame
Swipe for the next photo
3
Fitting windows, door and filling1 hr 30 min
Team fitting the window and filling blocks
Window and filling
Walls complete with door fitted
Door fitted
Swipe for the next photo
4
Painting and overhead protection2 hr 30 min
Overhead protection going on
Overhead protection
Roof layers going on in the mist
Roof layers
Swipe for the next photo

Pic source: unit in North Kashmir

Key component

One block. Patented.

A patented SIFCON pre-fab interlocking block with a hollow stepped cavity for custom infill. Walls go up by stacking and locking, with no water or cement.

The real block with its dimensions marked
Protection

Built to take the hit

Assault rifles

Superior protection against assault rifles.

AMR grade weapons

Advanced protection from AMR grade weapons.

ULPGM and kamikaze drones

Advanced protection, with overhead protection on every PD.

Bulletproof window

Integrated for enhanced visibility and protection.

Operations

Force protection in the city

Urban and semi-urban settings during CI / CT operations.

  1. Use as base for ease of operations
  2. Size can be altered as per requirement
  3. Perfect for vehicle checkpost
  4. Command and control centre for operations
  5. Protection from inclement and harsh weather
  6. Increase or decrease F.O.V and F.O.F
  7. Advanced protection from ULPGM and kamikaze
  8. Advanced protection from AMR grade weapons
Relocate

Pack it. Move it.

Re-locate at zero cost

As per new siting considerations. Easy to install and remove.

Repair in-situ

Without any compromise on strength and protection.

No water, no cement

No requirement of water, cement or any other material.

Portable

Ideal for frequent relocation.

Field proof

Standing in North Kashmir

A finished RUBIK PD in a high-altitude meadow
4 soldiersErected one PD using 143 blocks
0 waterNo cement or other material on site
Compare

Pre-cast vs on-site cast

Pre-cast modular bunker compared with on-site cast or 3D printed.

Construction time

Pre-castFaster execution. Modules are factory-manufactured and assembled on-site.

On-siteSlower. The entire construction process takes place on-site.

Quality control

Pre-castSuperior quality due to controlled factory production.

On-siteVariable quality depending on site conditions and workmanship.

Manpower

Pre-castReduced on-site labor; majority of work completed in factory.

On-siteHigher on-site labor requirement.

Weather dependency

Pre-castMinimal impact from weather during manufacturing.

On-siteHighly dependent on weather conditions.

Installation

Pre-castQuick and efficient assembly.

On-siteLonger installation timeline.

Show all 14 comparisons
Consistency

Pre-castHigh dimensional accuracy and uniform structural quality.

On-siteQuality and finish may vary based on site execution.

Transport and logistics

Pre-castOne-time transportation of completed modules.

On-siteContinuous transport of raw materials to and from site.

Customization

Pre-castFlexible modular designs tailored to client requirements.

On-siteLimited flexibility; constrained by site resources and methods.

Overall cost

Pre-castHigher initial investment but cost-effective in the long term.

On-siteLower initial cost possible, but may increase due to labor, delays and maintenance.

Durability

Pre-castHigh durability with consistent structural strength.

On-siteDurability depends on construction quality.

Environmental impact

Pre-castReduced site disturbance; better waste control and sustainability practices.

On-siteGreater site disruption and higher environmental impact.

Maintenance

Pre-castLower maintenance due to standardized quality.

On-sitePotentially higher maintenance due to variability.

Strength and protection

Pre-castCustomizable protection levels (small arms to heavy threat resistance).

On-siteComplex and time-consuming to achieve high protection standards.

Additional features

Pre-castCan be delivered pre-fitted with insulation, electrical systems, plumbing, sanitation, lighting and utilities.

On-siteRequires additional on-site integration of utilities and systems.

WhatsAppRequest proposal
Field proof

Raised by four soldiers. Standing in North Kashmir.

The requirement of a flat PCC / RCC surface may increase the time, however it is not required.

4 soldiersErected one PD using 143 blocks
7 hrs30 min + 2 h 30 + 1 h 30 + 2 h 30
0 waterNo cement or any other material on site

Pic source: unit in North Kashmir

Compare

Pre-cast modular vs on-site cast or 3D printed.

FeaturePre-cast modular bunkerOn-site cast / 3D printed
Construction timeFaster execution. Modules are factory-manufactured and assembled on-site.Slower. The entire construction process takes place on-site.
Quality controlSuperior quality due to controlled factory production.Variable quality depending on site conditions and workmanship.
ManpowerReduced on-site labor; majority of work completed in factory.Higher on-site labor requirement.
Weather dependencyMinimal impact from weather during manufacturing.Highly dependent on weather conditions.
ConsistencyHigh dimensional accuracy and uniform structural quality.Quality and finish may vary based on site execution.
Transport and logisticsOne-time transportation of completed modules.Continuous transport of raw materials to and from site.
InstallationQuick and efficient assembly.Longer installation timeline.
CustomizationFlexible modular designs tailored to client requirements.Limited flexibility; constrained by site resources and methods.
Overall costHigher initial investment but cost-effective in the long term.Lower initial cost possible, but may increase due to labor, delays and maintenance.
DurabilityHigh durability with consistent structural strength.Durability depends on construction quality.
Environmental impactReduced site disturbance; better waste control and sustainability practices.Greater site disruption and higher environmental impact.
MaintenanceLower maintenance due to standardized quality.Potentially higher maintenance due to variability.
Strength and protectionCustomizable protection levels (small arms to heavy threat resistance).Complex and time-consuming to achieve high protection standards.
Additional featuresCan be delivered pre-fitted with insulation, electrical systems, plumbing, sanitation, lighting and utilities.Requires additional on-site integration of utilities and systems.
Request a proposal

Ready when you are.

Tell us your site, threat level and timeline. We reply with a proposal for your RUBIK PD.

Message on WhatsApp
+91 82830 47770
Made in India · In collaboration with Indian Army