Ecologic™ Lime Mortar NHL3.5 for Reclaimed Bricks

$36.00

Ecologic™ Lime Mortar NHL 3.5 is a high-performance, natural hydraulic lime mortar ideal for repointing and laying reclaimed brick masonry. Pre-blended with perfectly graded sand and pigments, this “mix-and-go” dry mortar contains no ordinary Portland cement (OPC), ensuring excellent breathability and compatibility with historic brickwork.Designed to replicate traditional lime mortars and engineered for modern performance, this mortar supports long-lasting, durable masonry repair that protects both heritage and new reclaimed brick structures.

By the quart (3.4lbs) - $17
By the bag (38.5lbs) - $36
By the pallet (64 bags) - $36
Sample of 1 Quart (priority mail 1-3 days)

DGM Non-PigmentedDGM Non-Pigmented

Coarse (G) Joint Sizes 3/8"+

Product variants

Pickup available at Chief Bricks

Usually ready in 24 hours

Pairs well with

Product details

Binder: 100% Natural Hydraulic Lime NHL 3.5 (no Ordinary Portland Cement), engineered for reclaimed and older bricks.
Gradations: Coarse (G) for joints 3/8” and wider.
Stock color: Non-pigmented (most frequent).
Format: Pre‑bagged dry mix with calibrated sand. Just add water and mix.
Recommended strength: NHL 3.5 only, the sweet spot for most reclaimed brickwork where compatibility and breathability matter more than compressive strength.

Most Frequent Applications

Historic Repointing & Restoration of reclaimed brick masonry where traditional lime mortars have been originally used.
Re-laying Brick Units in both restoration and sustainable new builds.
Brick, Stone & Terra Cotta Masonry: Bedding, repointing, and tuckpointing.
Interior/Exterior Lime Plaster, Stucco & Parge Coats: as a breathable base or brown coat.
Sprayed & Pumped Masonry Repair, where traditional mortar compatibility is required.

Texture & Look

Ecologic™ Lime Mortar cures to an authentic “Old World” lime texture, soft, matte, and slightly granular, providing an historic aesthetic that blends with reclaimed brick. The finished joints have a natural, breathable surface with excellent vapor permeability, preventing moisture trapping and reducing stress on masonry units.

Key Features

Breathable & Flexible: Compatible with soft, aged brick; reduces cracking and spalling.
No OPC: Eliminates Portland cement’s stiffness; enhances long-term masonry health.
Pre-Blended & Ready to Mix: Consistent quality, simplified on-site mixing.
Salt & Sulfate Resistant: Long-term durability in historic settings.
Multiple Grades & Colors: Tailored for joint size and appearance.
Green Building Friendly: Low embodied energy; naturally breathable.

Alternative names

Natural Hydraulic Lime (NHL 3.5) Mortar
Historic Lime Mortar for Bricks
Pre-Blended Lime Repointing Mortar
Old-World Masonry Lime Mortar
Breathable Lime Masonry Mortar

Specification Sheet

The mortar Specification Sheet provides detailed information about the product’s composition, performance standards, and application guidelines to help ensure compliance with project requirements.
For a comprehensive overview of technical data, including mixing ratios, setting times, and strength parameters, please refer to the Safety Data Sheet (SDS).

Design guides & how-tos

Disclaimer

Color swatches, samples, or monitor displays can vary from finished cured mortar. We recommend ordering samples or viewing cured mortar strips to select the correct match before ordering large quantities. Mortar performance may vary with environmental conditions, mixing technique, and substrate preparation. Always follow professional masonry best practices for surface preparation and curing.

Ecologic™ Lime Mortar NHL3.5 for Reclaimed Bricks

By the quart (3.4lbs) - $17 / DGM Non-Pigmented / Coarse (G) Joint Sizes 3/8"+

$36.00

FAQs

Please read our FAQs page to find out more.

Why NHL 3.5 instead of a standard Type N cement mortar?

NHL 3.5 lime mortar provides similar working strength to a Type N but remains more permeable and flexible, making it safer for reclaimed and historic bricks than rigid Portland‑rich mixes.

Can this mortar be used both for laying and repointing reclaimed bricks?

Yes. Within its strength class, it works for laying, relaying and repointing reclaimed full bricks and veneers; gradation (G/F/BJ) is chosen based on joint size and finish.

Is it suitable for exterior applications in freeze–thaw climates?

When correctly detailed and cured, NHL 3.5 mortar is widely used on exterior historic masonry in cold climates because it manages moisture and accommodates movement better than many cement mortars.

Will the stock colors match all Chief brick lines exactly?

Colors are calibrated to pair with Chief’s reclaimed bricks, but variations in old brick and screen differences mean exact matches cannot be guaranteed, so on‑site samples are strongly recommended.

Do I need special mixing equipment or additives?

No additives are required; the mortar is designed to be mixed with clean water using a standard paddle mixer or drill and paddle, and additional Portland cement or admixtures should not be added.