SEI Group Acquires Haskell's Hardware and Allied Insulation & Supply

SEI Group Acquires Sacramento Insulation, Inc.

February 19, 2025

Building Products

SEI Group LLC, a Quad‑C Management‑backed installer of insulation and specialty building products, has acquired Sacramento Insulation, Inc., a Sacramento, California installer of fiberglass, spray foam and other insulation products. The add‑on expands SEI's footprint into California and bolsters its presence in single‑family, multi‑family and light commercial new construction markets; terms were not disclosed.

SEI Group Acquires Quality Insulation & Roofing, Finish Line Supply and Affordable Energy Services

December 6, 2022

Building Products

SEI Group LLC, a portfolio company of Quad‑C Management, announced the acquisitions of Insulation & Fireplace Services, LLC d/b/a Quality Insulation & Roofing (Conroe, TX), Finish Line Supply, Inc. (Raleigh, NC) and Affordable Energy Services, LLC (Richlands, NC). The deals expand SEI’s geographic footprint across Texas and North Carolina and broaden its insulation, roofing and specialty products installation capabilities; terms were not disclosed.

Quad-C Management Acquires SEI Group LLC from Narrow Gauge Capital

March 15, 2021

Building Products

Quad-C Management has acquired SEI Group LLC, a distributor and installer of residential insulation and specialty building products based in Atlanta, Georgia, from Narrow Gauge Capital. Quad-C will partner with newly appointed executives and the existing SEI management team to pursue an aggressive consolidation strategy and national growth for the platform; terms were not disclosed.

SEI Group Acquires Coastal Insulation & Fireplaces and Cool Insulation

February 2, 2022

Building Products

SEI Group LLC, a Quad‑C Management‑backed platform, has acquired Coastal Insulation & Fireplaces (Fredericksburg/Virginia Beach, VA) and Cool Insulation Company (Austin, TX). The deals expand SEI's footprint in high-growth U.S. markets and add to its insulation and building‑products installation capabilities; terms were not disclosed.

SEI Group Acquires Panhandle Building Materials and EnergyPro Insulation

July 2, 2024

Building Products

SEI Group LLC, a Quad‑C Management‑backed installer of insulation and specialty building products, acquired Panhandle Building Materials, Inc. (Pensacola, FL) and EnergyPro Insulation, Inc. (Grand Junction, CO). The acquisitions expand SEI’s footprint and service offering in residential new construction across Florida and western Colorado as part of its ongoing add-on rollup strategy.

SEI Group Acquires Energy Conservation Insulation Company (ECI)

May 5, 2022

Building Products

SEI Group LLC, a portfolio company of Quad-C Management, has acquired Energy Conservation Insulation Company (ECI), a Bend, Oregon-based residential and light commercial insulation services provider. The transaction expands SEI's geographic footprint in Oregon as part of its ongoing roll-up strategy following a 2021 recapitalization with Quad-C.