Microwave Bump Out Kit: Your 2024 Installation Guide

When renovating a kitchen or adapting a space for specific accessibility needs, encountering spatial limitations is a common challenge. A microwave bump out kit is a specialized construction solution designed to address exactly this issue, allowing for the precise extension of a drywall surface.

This framework creates a slight, functional protrusion from the existing wall plane, providing the necessary clearance for standard microwave depth without requiring a full-scale kitchen remodel. Understanding the composition and application of this kit is essential for anyone looking to optimize their kitchen layout safely and efficiently.

Understanding the Microwave Bump Out Concept

At its core, a microwave bump out is a small, architectural extension of a wall. Unlike a full cabinet installation, this solution focuses solely on creating the right dimensional space for the appliance.

Installing An Over-The- Range Microwave — AZ DIY Guy

The primary goal is to ensure the microwave sits proud of the surrounding cabinetry or drywall, making it easily accessible for opening the door and inserting or removing food. The kit typically contains the structural components needed to frame this extension securely.

Components of the Kit

A standard microwave bump out kit includes specific lumber and mounting hardware to ensure the structure is both stable and code-compliant. The materials are usually selected to match the existing wall structure for seamless integration.

Below is a breakdown of the typical components you will find in these kits:

Bump Out Kit Install on Flush Microwave - YouTube
Component Purpose
Header Board Provides horizontal support across the top of the bump out.
King Studs Vertical supports that run the full height of the wall to carry the load.
Jack Studs Shorter vertical supports that sit between the header and the bottom plate.
Bottom Plate The horizontal base that attaches to the existing floor framing.
Drywall Screws Fasteners used to secure the framing to the existing structure.

Installation Process Overview

Installing a microwave bump out kit is a task that requires a moderate level of DIY skill and adherence to safety protocols. The process involves integrating the new frame with the existing load-bearing walls of the kitchen.

Professionals typically follow these sequential steps to ensure a safe and sturdy installation:

  • Carefully measuring the location to ensure the bump out aligns with the microwave's dimensions.
  • Removing a section of drywall to expose the wall studs for cutting and modification.
  • Building the new frame extension and securing it firmly to the existing structure.
  • Re-installing the drywall onto the new frame and finishing the surface to match the surrounding area.

Safety and Building Code Considerations

One of the most critical aspects of using a microwave bump out kit is ensuring the modification does not compromise the structural integrity of the wall. Microwaves are heavy appliances, and the kit must be engineered to support this weight statically.

Furthermore, any alteration to wall framing must comply with local building codes. These regulations dictate the maximum size of a bump out and often require specific bracing or permits to ensure the wall remains safe for the load it is intended to bear.

Design and Aesthetic Integration

Functionality is vital, but the visual appeal of the bump out is equally important for a cohesive kitchen design. A well-executed bump out should appear as a natural extension of the cabinetry rather than a visible patchwork of new construction.

To achieve a seamless look, installers often recommend using the same drywall texture and paint color as the existing walls. Trimming the protrusion with identical cabinetry or finishing materials ensures the microwave sits in perfectly without drawing attention to the modification.

Advantages of Using a Kit

Opting for a pre-packaged kit offers distinct advantages over sourcing materials individually. These kits are curated to include the exact dimensions needed for standard microwave depth, reducing the margin for error during the cutting and assembly phase.

By providing all necessary components in one package, these kits save time and prevent the frustration of miscalculating measurements at the hardware store. This streamlined approach allows the homeowner or contractor to complete the project efficiently, minimizing downtime in the kitchen.

Reference

15.12.2023 ... This video will walk you through the installation steps on how to install the bump out kit for your flush microwave.

Installing An Over-The- Range Microwave — AZ DIY Guy

Installing An Over-The- Range Microwave — AZ DIY Guy

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Reference

The bump-out kit is a wall bracket that extends the unit forward by 3" to allow for proper ventilation.

Bump Out Kit Install on Flush Microwave - YouTube

Bump Out Kit Install on Flush Microwave - YouTube

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Reference

When using the bump‑out kit, the microwave sits farther forward so the rear exhaust outlet lines up cleanly with your wall duct. A helpful step is to install ...

Microwave Bump-Out Mounting Kit W11185746 parts | Sears PartsDirect

Microwave Bump-Out Mounting Kit W11185746 parts | Sears PartsDirect

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Reference

12.07.2023 ... The microwave instructions say I need to use a bump out kit if going under 15 inch cabinets. My vent is going straight back through the wall.

Whirlpool W11646788B Microwave Oven Hood Combination Bump Out Kit ...

Whirlpool W11646788B Microwave Oven Hood Combination Bump Out Kit ...

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Reference

The Microwave Mounting Bracket is used to secure the appliance to cabinets above the range with depths measuring approximately 15".

Customer Reviews: GE 15" Bump Out Kit for Microwave Ovens Black ...

Customer Reviews: GE 15" Bump Out Kit for Microwave Ovens Black ...

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Reference

These installation instructions are only for the Bump out mounting kit, for full microwave hood ... During attaching the microwave oven to the bump out kit, check.

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

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Reference

06.03.2023 ... If you are installing a microwave hood in your Ikea kitchen, chances are you will need one of these bump-out brackets.

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

Visual inspiration for your project.

Reference

The Microwave Mounting Bracket is used to secure the appliance to cabinets above the range with depths measuring approximately 15".

Over-the-Range Microwave Bump Out Kit - AEY74213301 | LG USA

Over-the-Range Microwave Bump Out Kit - AEY74213301 | LG USA

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Reference

IMPORTANT: Use the existing mounting bracket that comes with your OTR Microwave to identify location for the Bump Out Kit. Place the original bracket ...

W11630300 Whirlpool Microwave Bump Out Mounting Kit W11630300 | TA ...

W11630300 Whirlpool Microwave Bump Out Mounting Kit W11630300 | TA ...

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Reference

Once installed, it will extend the microwave forward by 3 inches. Please keep in mind that the bump-out kit JX15BUMPBB is required if your cutout space is 14", ...

Microwave Mounting Bracket Shop Microwave Bump Out Mounting Kit

Microwave Mounting Bracket Shop Microwave Bump Out Mounting Kit

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Reference

The Microwave Bump Out Kit is used to secure the appliance to cabinets above the range with depths measuring 15". This accessory is designed to be used in ...

Installing An Over-The- Range Microwave — AZ DIY Guy

Installing An Over-The- Range Microwave — AZ DIY Guy

Visual inspiration for your project.

Reference

08.07.2020 ... Does that microwave vent the fan out the front, facing up? If so, word of advice (I have that microwave in white). REGULARLY clean the ceiling ...

Bump Out Kit

Bump Out Kit

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Reference

The Microwave Bump Out Kit is used to secure the appliance to cabinets above the range with depths measuring 15".

GE 15 in. Bump Out Kit for Microwave (Over the Range) - White | P.C ...

GE 15 in. Bump Out Kit for Microwave (Over the Range) - White | P.C ...

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Reference

Experience the WHIRLPOOL W11185746 The Microwave Bump Out Kit is used to secure the appliance to cabinets above the range with depths measuring 15".

Whirlpool Microwave Bump Out Kit at Vernon Palacios blog

Whirlpool Microwave Bump Out Kit at Vernon Palacios blog

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Reference

Details. Microwave Bumpout Kit, Black. The bump-out kit is a wall bracket that extends the unit forward by 3" to allow for proper ventilation. Specifications ...

Microwave Bump-Out Mounting Kit JX15BUMPBB parts | Sears PartsDirect

Microwave Bump-Out Mounting Kit JX15BUMPBB parts | Sears PartsDirect

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Reference

Provides additional mounting support to microwaves being installed over a kitchen range while making it flush with surrounding cabinetry; Intended for use with ...

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

GE 15" Bump Out Kit for Microwave Ovens Black JX15BUMPBB - Best Buy

Visual inspiration for your project.

Reference

The Microwave Bump Out Kit is used to secure the appliance to cabinets above the range with depths measuring 15". This accessory is designed to be used in ...

Over-the-Range Microwave Bump Out Kit - AEY74213301 | LG USA

Over-the-Range Microwave Bump Out Kit - AEY74213301 | LG USA

Visual inspiration for your project.

Reference

The Microwave Bump Out Kit is used to secure the appliance to cabinets above the range with depths measuring 15". This accessory is designed to be used in ...

Whirlpool W11646788B Microwave Oven Hood Combination Bump Out Kit ...

Whirlpool W11646788B Microwave Oven Hood Combination Bump Out Kit ...

Visual inspiration for your project.

Reference

Experience the FRIGIDAIRE MWBOK15TB The bump-out kit is a wall bracket that extends the unit forward by 3" to allow for proper ventilation.

Frigidaire MWBOK15TB Microwave Bumpout Kit in Black

Frigidaire MWBOK15TB Microwave Bumpout Kit in Black

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Reference

The Microwave Mounting Bracket is used to secure the appliance to cabinets above the range with depths measuring approximately 15".

Amazon.com: Whirlpool W11185746 Microwave Bump-Out Mounting Kit Genuine ...

Amazon.com: Whirlpool W11185746 Microwave Bump-Out Mounting Kit Genuine ...

Visual inspiration for your project.