Laticrete 3701 Lite Mortar Rapid - 30lb bag

Laticrete 3701 Lite Mortar Rapid is a fast-setting, lightweight, polymer-fortified mortar designed for a wide range of interior and exterior applications. Its rapid cure time, exceptional versatility, and reduced weight make it ideal for vertical, overhead, repair, and mortar bed installations.

$46.22

Brand: Laticrete

Availability: On order. This item will ship when back in stock (More Info)

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SKU
L-3701 LITE RAPID

Laticrete 3701 Lite Mortar Rapid — Fast-Setting Lightweight Repair Mortar

Laticrete 3701 Lite Mortar Rapid is engineered for contractors who need speed, strength, and flexibility on the jobsite. Made with carefully selected polymers, Portland cement, and lightweight aggregates, it delivers rapid curing performance while remaining easy to mix and apply.

This all-in-one mortar is suitable for rendering walls, vertical and overhead repairs, pool applications, mortar beds, and general repairs. Its lightweight composition reduces installer fatigue, while its polymer-fortified design eliminates the need for latex additives—saving both time and money on every project.

Key Features and Benefits

  • Rapid Setting Performance — Fast curing time of approximately 1.5–2 hours significantly reduces downtime and speeds up project completion
  • Lightweight Formula — Weighs up to 50% less than conventional mortars, making it easier and safer to handle, lift, and apply
  • Exceptional Versatility — Can be used as a render, repair mortar, mortar bed, vertical screed, overhead application, scratch coat, or finish coat—replacing traditional Type S or Type N mortars
  • Ideal for Vertical and Overhead Applications — Can be applied up to 3/4" thick in a single lift on vertical surfaces without sagging
  • No Latex Additive Required — Polymer-fortified formulation requires only water—no additional admixtures needed
  • Safer to Use — Contains no respirable crystalline silica above OSHA action levels, supporting a safer jobsite environment
  • Freeze/Thaw Stable — Durable performance in challenging interior and exterior conditions

Suitable Substrates

  • Brick Masonry
  • Cement Backer Board
  • Cement Mortar Bed
  • Cement Plaster
  • Cement Terrazzo
  • Ceramic Tile and Stone
  • Concrete
  • Concrete Masonry
  • Exterior Glue Plywood

Applications

  • Vertical wall rendering
  • Overhead repair applications
  • Mortar beds
  • Scratch and finish coats
  • Pool and wet-area applications
  • Structural and surface repairs
  • Interior and exterior use

Installation:

All surfaces should be between 40°F (4°C) and 90°F(32°C) and structurally sound, clean and free of all dirt, oil, grease, paint, concrete sealers or curing compounds. Rough or uneven concrete surfaces should be made smooth with Latex Portland Cement Underlayment to provide a wood float (or better) finish. Dry, dusty concrete slabs or masonry should be dampened and excess water swept off. Installation may be made on a damp surface. New concrete slabs shall be damp cured and 28 days old before application. All slabs must be plumb and true to within 1/4" (6 mm) in 10 ft (3 m). Expansion joints shall be provided through the tile work from all construction or expansion joints in the substrate. Do not cover expansion joints with mortar.

Laticrete 3701 Lite Mortar Rapid Coverage:

Render/Repair Mortar Bed Depth
12 sq. ft. (1.1 m²) 10 sq. ft. (.93 m²) 1/2" (13mm)
6 sq. ft. (.56 m²) 5 sq. ft. (.46 m²) 1" (25 mm)
4 sq. ft. (.37 m²) 3 sq. ft. (.28 m²) 1-1/2" (38mm)
3 sq. ft. (.28 m²) 2 sq. ft. (.19 m²) 2" (51 mm)

Performance:

  • Initial Set: 35 to 45 minutes
  • Final Set: 50 to 70 minutes
  • Pot Life: 25 to 35 minutes
  • Time to Foot Traffic: 90 to 120 minutes
  • Time to Heavy Traffic: 72 hours
  • Time to Liquid Applied Membrane: 2 hours
  • Shelf Life: One year shelf life
  • Packaging: 30 lb (13.6 kg) bag.
    More Information
    SKUL-3701 LITE RAPID
    Weight (lbs.)30
    Non-ReturnableNo
    ManufacturerLaticrete
    Manufacturer Part Number2060-0030-21-1
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