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Masonry / MORTAR Cement Type N 70LB
$12.99
In stock: 45 available
Product Details
Brand: Lehigh
40 Bags in a Pallet
Masonry Cement vs. Portland Cement — The Real Difference
1) What They Are
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Portland Cement A pure binder. It’s the main ingredient used to make concrete (cement + sand + gravel + water). Very strong, high PSI.
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Masonry Cement A blended product — Portland cement + lime + plasticizers. Designed to make mortar (cement + sand + water). Smooth, sticky, flexible — but not as strong.
️ 2) What They’re Used For
Portland Cement — for STRUCTURAL work
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Sidewalks
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Driveways
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Foundations
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Slabs
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Heavy-duty patches
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Any job needing 3000–5000 PSI strength
Masonry Cement — for MORTAR work
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Bricklaying
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Block work
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Stone setting
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Stucco
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Tuckpointing
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Joints between bricks/blocks
3) Strength Difference
| Material | Typical Strength | Suitable For |
|---|---|---|
| Portland Cement (Type I/II) | Very high PSI | Concrete, slabs, sidewalks |
| Masonry Cement (Type N/S/M) | Much lower PSI | Mortar, joints, stucco |
Why? Masonry cement contains lime, which makes it smooth and workable — but reduces compressive strength.
Why Masonry Cement Cannot Be Used for Sidewalks
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It cannot reach 3000–4000 PSI
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It will crack, powder, and fail
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It is made for bonding bricks, not bearing loads
For sidewalks, always use:
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4000 PSI concrete mix, or
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Portland cement + sand + gravel (contractor mix)
4) Quick Counter Card (Bangla–English)
Portland Cement = Concrete Masonry Cement = Mortar
Portland → শক্ত কাজ Masonry → ইট–ব্লক কাজ
Masonry cement is designed for:
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Mortar
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Bricklaying
-
Block work
-
Stucco
It contains lime, which makes it smooth and sticky — great for mortar, but too weak for sidewalks. It cannot reach 3000–4000 PSI, so it will crack and fail.
Quick Comparison (Counter Card Style)
| Material | Use | Strength | Sidewalk Suitable? |
|---|---|---|---|
| Portland Cement | Ingredient for concrete | Very strong | ✔️ Yes (when mixed with sand + gravel) |
| Concrete Mix (4000 PSI) | Ready sidewalk mix | High strength | ✔️ Best choice |
| Masonry Cement | Mortar, brick, block | Low strength | ❌ No |
| Mortar Mix | Brick joints | Very low strength | ❌ No |
| Sand Mix | Thin patches | No gravel | ❌ No |
USES OF MASONRY CEMENT
Masonry Cement is a blended product made of:
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Portland cement
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Limestone
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Plasticizers
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Air-entraining additives
When mixed with sand + water, it becomes mortar used for masonry work.
Masonry Cement itself is NOT concrete. It is used to make mortar, not slabs.
⭐ 1. Laying Bricks
Masonry cement is primarily used to produce mortar for:
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Brick walls
-
Partitions
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Garden walls
-
Chimneys
-
Decorative brick projects
➡️ It gives smooth, workable mortar that grips brick surfaces.
⭐ 2. Laying Concrete Blocks (CMU)
Used for:
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Block walls
-
Basements
-
Foundations (non-structural)
-
Utility rooms
-
Retaining walls (light/medium)
➡️ Produces Type N or Type S mortar depending on mix ratio.
⭐ 3. Stone Masonry
Masonry cement mortar is used to set:
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Natural stones
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Stone veneers
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Flagstones
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Manufactured stone panels
➡️ Smooth consistency helps fill uneven gaps.
⭐ 4. Repointing & Joint Repair
Used for:
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Replacing old, cracked, or falling mortar
-
Fixing loose bricks
-
Restoring historic masonry
-
Weather-damaged joints
➡️ Flexibility and adhesion make it ideal for repointing work.
⭐ 5. Stucco Base Coats
Masonry cement is used to make mortar base layers:
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Scratch coat
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Brown coat
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Under final stucco finish
➡️ Provides strong bonding for stucco systems.
⭐ 6. Setting Pavers & Edging Stones
Used for:
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Bedding pavers
-
Locking edging stones
-
Installing garden borders
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Pathway stones
➡️ Mortar made from masonry cement keeps stones from shifting.
⭐ 7. Small Masonry Repairs
Ideal for:
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Filling holes in block walls
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Rebuilding broken corners
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Repairing mortar gaps around pipes
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Patching brick faces
➡️ Very workable mix for hand repairs.
⭐ Masonry Cement Types (For Reference)
Masonry cement is commonly sold as:
| Type | Strength | Uses |
|---|---|---|
| Type N | Medium | General brick/block work, above-grade walls |
| Type S | Stronger | Foundation walls, retaining walls, exterior load-bearing |
| Type M | Highest strength | Stone foundations, heavy loads, below-grade |
⭐ Popular Brands of Masonry Cement
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Quikrete Masonry Cement
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Sakrete Masonry Cement
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Lehigh Hanson / Eagle Masonry Cement
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Lafarge Masonry Cement
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Argos Masonry Cement
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CEMEX Masonry Cement
❌ When NOT to Use Masonry Cement
Avoid using it for:
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Concrete slabs
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Sidewalks
-
Posts & footings
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Anchoring bolts
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Driveways
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Anything requiring aggregate/gravel
Type N vs Type S vs Sand/Topping Mix — Comparison Card (Bangla + English)
Quick Summary
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Type N = Medium‑strength mortar → Brick/block above‑grade
-
Type S = High‑strength mortar → Structural walls, below‑grade
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Sand/Topping Mix = Thin concrete → ½–2 inch repairs, leveling, shower pans
Side‑by‑Side Comparison
| Feature | Type N Mortar | Type S Mortar | Sand/Topping Mix |
|---|---|---|---|
| Strength (PSI) | ~750 PSI | 1,800–2,300 PSI | ~4,000 PSI (varies) |
| Contains Lime? | Yes | Yes | No |
| Contains Gravel? | No | No | No |
| Workability | Smooth, easy | Stiffer, stronger | Smooth, packable |
| Best For | Brick, block, veneer, repointing | Structural walls, retaining walls, foundations | Thin concrete repairs (½–2"), leveling, shower pans |
| Above‑Grade Use | ✔️ Best | ✔️ Strong | ✔️ |
| Below‑Grade Use | ❌ Not recommended | ✔️ Designed for it | ✔️ (non‑structural) |
| Load‑Bearing | ❌ No | ✔️ Yes | ✔️ (thin concrete only) |
| Finish Texture | Smooth mortar | Strong mortar | Smooth concrete |
| Max Thickness | Mortar joints | Mortar joints | 2 inches |
| Mix Type | Cement + lime + sand | Cement + lime + sand | Cement + sand (3:1) |
When to Use Which (Simple Rules)
Use Type N When:
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Brick or block walls above ground
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Repointing / tuckpointing
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Stone veneer (non‑structural)
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Chimney exterior repairs
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You need flexibility + medium strength
Bangla: ইট‑ব্লক বসানো, জয়েন্ট রিপেয়ার—লোড‑বেয়ারিং নয়।
Use Type S When:
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Retaining walls
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Foundations
-
Below‑grade masonry
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Structural block walls
-
High wind / seismic areas
Bangla: স্ট্রাকচারাল দেয়াল, বেসমেন্ট, রিটেইনিং ওয়াল—উচ্চ শক্তির কাজ।
Use Sand/Topping Mix When:
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Thin concrete repairs (½–2")
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Steps, stoops, surface patching
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Leveling uneven concrete
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Shower pan dry‑pack
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Tile underlayment
Bangla: পাতলা কংক্রিট রিপেয়ার, লেভেলিং, শাওয়ার প্যান—গ্রাভেল ছাড়া কংক্রিট।
Ultra‑Simple Memory Trick for Staff
N = Normal mortar S = Strong mortar Sand Mix = Thin concrete
Masonry Cement Type S vs Type N (Simple, Accurate, Staff‑Ready)
1. Strength (PSI of finished mortar)
-
Type N Masonry Cement: ~750 PSI
-
Type S Masonry Cement: 1,800–2,300 PSI
Meaning: Type S is more than double the strength of Type N.
2. Composition
Both are blends of:
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Portland cement
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Hydrated lime
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Plasticizers
-
Air‑entraining agents
But:
-
Type S has more cement + less lime → stronger, stiffer
-
Type N has more lime → smoother, easier to work with
3. Best Uses (Real‑World NYC Examples)
Type N Masonry Cement — Use For:
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Brick walls above grade
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Block walls above grade
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Stone veneer
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Chimney exterior
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Repointing joints
-
General non‑structural masonry
Bangla: ইট‑ব্লক বসানো, ভেনিয়ার, রিপয়েন্টিং—লোড‑বেয়ারিং নয়।
Type S Masonry Cement — Use For:
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Foundations
-
Retaining walls
-
Structural block walls
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Below‑grade masonry
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High‑wind / seismic areas
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Driveway/walkway edges
Bangla: স্ট্রাকচারাল দেয়াল, বেসমেন্ট, রিটেইনিং ওয়াল—উচ্চ শক্তির কাজ।
4. Above‑Grade vs Below‑Grade
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Type N: Above‑grade only
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Type S: Above‑grade + below‑grade (handles soil pressure)
5. Workability
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Type N: Smooth, creamy, easy to spread
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Type S: Stiffer, harder to spread but much stronger
Ultra‑Simple Staff Memory Trick
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N = Normal mortar (medium strength)
-
S = Strong mortar (high strength)
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Masonry / MORTAR Cement Type N 70LB
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